Hello,
syzbot found the following issue on:
HEAD commit: c85fb28b Merge tag 'arm64-fixes' of git://git.kernel.org/p..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15b2b400500000
kernel config: https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7
dashboard link: https://syzkaller.appspot.com/bug?extid=b6c9fe29aefe68e4ad34
compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
WARNING: CPU: 1 PID: 11321 at net/mac80211/ibss.c:504 ieee80211_ibss_csa_beacon+0x4e9/0x5a0 net/mac80211/ibss.c:504
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 11321 Comm: kworker/u4:0 Not tainted 5.9.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy10 ieee80211_csa_finalize_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1d6/0x29e lib/dump_stack.c:118
panic+0x2c0/0x800 kernel/panic.c:231
__warn+0x227/0x250 kernel/panic.c:600
report_bug+0x1b1/0x2e0 lib/bug.c:198
handle_bug+0x42/0x80 arch/x86/kernel/traps.c:234
exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:254
asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:ieee80211_ibss_csa_beacon+0x4e9/0x5a0 net/mac80211/ibss.c:504
Code: e8 fc 29 8b f9 b8 f4 ff ff ff eb 0a e8 f0 29 8b f9 b8 00 01 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d7 29 8b f9 <0f> 0b b8 ea ff ff ff eb e3 e8 c9 29 8b f9 0f 0b e9 88 fb ff ff 48
RSP: 0018:ffffc9000ab5fbf8 EFLAGS: 00010293
RAX: ffffffff87e9d419 RBX: ffff88804cc20580 RCX: ffff888016268280
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88804cc23490 R08: dffffc0000000000 R09: fffffbfff16c82b4
R10: fffffbfff16c82b4 R11: 0000000000000000 R12: ffff8880a21a18c0
R13: ffff8880a21a18ba R14: ffff8880a21a0c00 R15: ffff8880a21a18e0
ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3043 [inline]
__ieee80211_csa_finalize net/mac80211/cfg.c:3099 [inline]
ieee80211_csa_finalize+0x46f/0x960 net/mac80211/cfg.c:3122
ieee80211_csa_finalize_work+0xfb/0x140 net/mac80211/cfg.c:3147
process_one_work+0x789/0xfc0 kernel/workqueue.c:2269
worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415
kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at [email protected].
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot has found a reproducer for the following issue on:
HEAD commit: e87297fa Merge tag 'drm-fixes-2020-12-04' of git://anongit..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1412f617500000
kernel config: https://syzkaller.appspot.com/x/.config?x=e49433cfed49b7d9
dashboard link: https://syzkaller.appspot.com/bug?extid=b6c9fe29aefe68e4ad34
compiler: gcc (GCC) 10.1.0-syz 20200507
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15131837500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14550ecf500000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
------------[ cut here ]------------
WARNING: CPU: 0 PID: 21 at net/mac80211/ibss.c:504 ieee80211_ibss_csa_beacon+0x5ec/0x730 net/mac80211/ibss.c:504
Modules linked in:
CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy10 ieee80211_csa_finalize_work
RIP: 0010:ieee80211_ibss_csa_beacon+0x5ec/0x730 net/mac80211/ibss.c:504
Code: ff e8 a8 b7 9c 00 31 ff 89 c5 89 c6 e8 9d 2c 27 f9 85 ed 0f 85 84 fa ff ff e8 40 34 27 f9 0f 0b e9 78 fa ff ff e8 34 34 27 f9 <0f> 0b 41 bd ea ff ff ff e9 e1 fd ff ff e8 72 b2 68 f9 e9 8f fa ff
RSP: 0018:ffffc90000dbfc50 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801c070c00 RCX: ffffffff8155a937
RDX: ffff888010e1b480 RSI: ffffffff8848d04c RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000001 R09: ffffffff8ebaf727
R10: fffffbfff1d75ee4 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88801c0718f0 R14: ffff888022400c80 R15: ffff88801c071248
FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdcb7060000 CR3: 0000000012b2b000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3133 [inline]
__ieee80211_csa_finalize+0x504/0xbf0 net/mac80211/cfg.c:3189
ieee80211_csa_finalize net/mac80211/cfg.c:3212 [inline]
ieee80211_csa_finalize_work+0x131/0x170 net/mac80211/cfg.c:3237
process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
kthread+0x3b1/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
When we are not connected to a channel, sending channel "switch"
announcement doesn't make any sense.
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -530,6 +530,10 @@ int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata)
sdata_assert_lock(sdata);
+ /* When not connected/joined, sending CSA doesn't make sense. */
+ if (sdata->u.ibss.state != IEEE80211_IBSS_MLME_JOINED)
+ return -ENOLINK;
+
/* update cfg80211 bss information with the new channel */
if (!is_zero_ether_addr(ifibss->bssid)) {
cbss = cfg80211_get_bss(sdata->local->hw.wiphy,
--
2.35.1
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
tered promiscuous mode
[ 49.294465][ T3636] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 49.305282][ T3636] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 49.325908][ T3636] team0: Port device team_slave_0 added
[ 49.333047][ T3636] team0: Port device team_slave_1 added
[ 49.350306][ T3636] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 49.357336][ T3636] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 49.383401][ T3636] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 49.395845][ T3636] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 49.402957][ T3636] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 49.430471][ T3636] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 49.455720][ T3636] device hsr_slave_0 entered promiscuous mode
[ 49.463006][ T3636] device hsr_slave_1 entered promiscuous mode
[ 49.538340][ T3636] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 49.549079][ T3636] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 49.558155][ T3636] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 49.569133][ T3636] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 49.590785][ T3636] bridge0: port 2(bridge_slave_1) entered blocking state
[ 49.597986][ T3636] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 49.605904][ T3636] bridge0: port 1(bridge_slave_0) entered blocking state
[ 49.613050][ T3636] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 49.657283][ T3636] 8021q: adding VLAN 0 to HW filter on device bond0
[ 49.669522][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 49.679945][ T14] bridge0: port 1(bridge_slave_0) entered disabled state
[ 49.688892][ T14] bridge0: port 2(bridge_slave_1) entered disabled state
[ 49.697602][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 49.710449][ T3636] 8021q: adding VLAN 0 to HW filter on device team0
[ 49.722894][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 49.732572][ T3647] bridge0: port 1(bridge_slave_0) entered blocking state
[ 49.739646][ T3647] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 49.750696][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 49.759168][ T923] bridge0: port 2(bridge_slave_1) entered blocking state
[ 49.766347][ T923] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 49.783139][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 49.798118][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 49.807101][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 49.816367][ T3647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 49.828659][ T3636] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 49.841622][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 49.849961][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 49.867463][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 49.875057][ T923] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 49.887724][ T3636] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 49.991352][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 50.007687][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 50.016485][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 50.024664][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 50.034755][ T3636] device veth0_vlan entered promiscuous mode
[ 50.047971][ T3636] device veth1_vlan entered promiscuous mode
[ 50.067469][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 50.075584][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 50.084115][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 50.095890][ T3636] device veth0_macvtap entered promiscuous mode
[ 50.105744][ T3636] device veth1_macvtap entered promiscuous mode
[ 50.120925][ T3636] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 50.129807][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 50.139778][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 50.152837][ T3636] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 50.161478][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 50.172240][ T3636] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 50.182764][ T3636] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 50.192635][ T3636] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 50.202479][ T3636] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 50.258761][ T33] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 50.276234][ T33] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 50.292455][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 50.306188][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 50.315505][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 50.325576][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2022/08/10 16:46:13 building call list...
[ 50.505046][ T3636] ------------[ cut here ]------------
[ 50.510773][ T3636] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
[ 50.520732][ T3636] WARNING: CPU: 1 PID: 3636 at lib/debugobjects.c:505 debug_object_assert_init+0x1fa/0x250
[ 50.530739][ T3636] Modules linked in:
[ 50.534652][ T3636] CPU: 1 PID: 3636 Comm: syz-executor.0 Not tainted 5.19.0-syzkaller #0
[ 50.542991][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 50.553063][ T3636] RIP: 0010:debug_object_assert_init+0x1fa/0x250
[ 50.559406][ T3636] Code: e8 bb d2 d1 fd 4c 8b 45 00 48 c7 c7 20 96 6a 8a 48 c7 c6 20 93 6a 8a 48 c7 c2 c0 97 6a 8a 31 c9 49 89 d9 31 c0 e8 86 cd 4e fd <0f> 0b ff 05 da 58 8a 09 48 83 c5 38 48 89 e8 48 c1 e8 03 42 80 3c
[ 50.579117][ T3636] RSP: 0018:ffffc9000392f8c8 EFLAGS: 00010046
[ 50.585300][ T3636] RAX: 8bc764758f9d2d00 RBX: 0000000000000000 RCX: ffff88807f27ba80
[ 50.593296][ T3636] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 50.601277][ T3636] RBP: ffffffff8a0fc700 R08: ffffffff8165ed3d R09: ffffed10173a4f14
[ 50.609266][ T3636] R10: ffffed10173a4f14 R11: 1ffff110173a4f13 R12: dffffc0000000000
[ 50.617255][ T3636] R13: ffff88801bea49d0 R14: 0000000000000015 R15: ffffffff900beb38
[ 50.625245][ T3636] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 50.634196][ T3636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.641255][ T3636] CR2: 00007fe56a2e1200 CR3: 0000000011c4e000 CR4: 00000000003506e0
[ 50.649282][ T3636] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.657280][ T3636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.665286][ T3636] Call Trace:
[ 50.668606][ T3636] <TASK>
[ 50.671567][ T3636] del_timer+0x3d/0x2d0
[ 50.675770][ T3636] ? try_to_grab_pending+0xb1/0x700
[ 50.681004][ T3636] try_to_grab_pending+0xbf/0x700
[ 50.686321][ T3636] __cancel_work_timer+0x81/0x5b0
[ 50.691373][ T3636] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 50.696805][ T3636] ? kmem_cache_free+0x95/0x1d0
[ 50.701675][ T3636] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 50.706989][ T3636] mgmt_index_removed+0x244/0x330
[ 50.712032][ T3636] hci_unregister_dev+0x28e/0x460
[ 50.718115][ T3636] ? vhci_open+0x360/0x360
[ 50.722542][ T3636] vhci_release+0x7f/0xd0
[ 50.726883][ T3636] __fput+0x3b9/0x820
[ 50.730896][ T3636] task_work_run+0x146/0x1c0
[ 50.735510][ T3636] do_exit+0x4ed/0x1f30
[ 50.739669][ T3636] ? rcu_read_lock_sched_held+0x41/0xb0
[ 50.745233][ T3636] do_group_exit+0x23b/0x2f0
[ 50.749828][ T3636] ? _raw_spin_unlock_irq+0x1f/0x40
[ 50.755023][ T3636] ? lockdep_hardirqs_on+0x8d/0x130
[ 50.760218][ T3636] get_signal+0x16a3/0x1700
[ 50.766302][ T3636] arch_do_signal_or_restart+0x29/0x5d0
[ 50.771852][ T3636] exit_to_user_mode_loop+0x74/0x150
[ 50.777133][ T3636] exit_to_user_mode_prepare+0xb2/0x140
[ 50.782695][ T3636] syscall_exit_to_user_mode+0x26/0x60
[ 50.788737][ T3636] do_syscall_64+0x49/0x90
[ 50.793176][ T3636] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 50.799177][ T3636] RIP: 0033:0x4191dc
[ 50.803063][ T3636] Code: Unable to access opcode bytes at RIP 0x4191b2.
[ 50.809916][ T3636] RSP: 002b:00007ffe6c6d7830 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 50.818354][ T3636] RAX: fffffffffffffe00 RBX: 00007ffe6c6d78f0 RCX: 00000000004191dc
[ 50.826326][ T3636] RDX: 0000000000000050 RSI: 0000000000568020 RDI: 00000000000000f9
[ 50.834295][ T3636] RBP: 0000000000000003 R08: 0000000000000000 R09: 0079746972756365
[ 50.842269][ T3636] R10: 00000000005436a0 R11: 0000000000000246 R12: 0000000000000032
[ 50.850229][ T3636] R13: 000000000000c4c0 R14: 0000000000000000 R15: 00007ffe6c6d7930
[ 50.858211][ T3636] </TASK>
[ 50.861256][ T3636] Kernel panic - not syncing: panic_on_warn set ...
[ 50.867835][ T3636] CPU: 1 PID: 3636 Comm: syz-executor.0 Not tainted 5.19.0-syzkaller #0
[ 50.876158][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 50.886289][ T3636] Call Trace:
[ 50.890527][ T3636] <TASK>
[ 50.893448][ T3636] dump_stack_lvl+0x131/0x1c8
[ 50.898221][ T3636] panic+0x26b/0x693
[ 50.902113][ T3636] ? __warn+0x131/0x220
[ 50.906266][ T3636] ? debug_object_assert_init+0x1fa/0x250
[ 50.912064][ T3636] __warn+0x1fa/0x220
[ 50.916054][ T3636] ? debug_object_assert_init+0x1fa/0x250
[ 50.921777][ T3636] report_bug+0x1b3/0x2d0
[ 50.926103][ T3636] handle_bug+0x3d/0x70
[ 50.930513][ T3636] exc_invalid_op+0x16/0x40
[ 50.935009][ T3636] asm_exc_invalid_op+0x16/0x20
[ 50.939919][ T3636] RIP: 0010:debug_object_assert_init+0x1fa/0x250
[ 50.946259][ T3636] Code: e8 bb d2 d1 fd 4c 8b 45 00 48 c7 c7 20 96 6a 8a 48 c7 c6 20 93 6a 8a 48 c7 c2 c0 97 6a 8a 31 c9 49 89 d9 31 c0 e8 86 cd 4e fd <0f> 0b ff 05 da 58 8a 09 48 83 c5 38 48 89 e8 48 c1 e8 03 42 80 3c
[ 50.965962][ T3636] RSP: 0018:ffffc9000392f8c8 EFLAGS: 00010046
[ 50.972034][ T3636] RAX: 8bc764758f9d2d00 RBX: 0000000000000000 RCX: ffff88807f27ba80
[ 50.980009][ T3636] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 50.988148][ T3636] RBP: ffffffff8a0fc700 R08: ffffffff8165ed3d R09: ffffed10173a4f14
[ 50.996123][ T3636] R10: ffffed10173a4f14 R11: 1ffff110173a4f13 R12: dffffc0000000000
[ 51.004180][ T3636] R13: ffff88801bea49d0 R14: 0000000000000015 R15: ffffffff900beb38
[ 51.012153][ T3636] ? __wake_up_klogd+0xcd/0x100
[ 51.017277][ T3636] ? debug_object_assert_init+0x1fa/0x250
[ 51.023040][ T3636] del_timer+0x3d/0x2d0
[ 51.027291][ T3636] ? try_to_grab_pending+0xb1/0x700
[ 51.032705][ T3636] try_to_grab_pending+0xbf/0x700
[ 51.037752][ T3636] __cancel_work_timer+0x81/0x5b0
[ 51.042785][ T3636] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 51.048148][ T3636] ? kmem_cache_free+0x95/0x1d0
[ 51.053085][ T3636] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 51.058748][ T3636] mgmt_index_removed+0x244/0x330
[ 51.063855][ T3636] hci_unregister_dev+0x28e/0x460
[ 51.069135][ T3636] ? vhci_open+0x360/0x360
[ 51.073542][ T3636] vhci_release+0x7f/0xd0
[ 51.077997][ T3636] __fput+0x3b9/0x820
[ 51.082080][ T3636] task_work_run+0x146/0x1c0
[ 51.086847][ T3636] do_exit+0x4ed/0x1f30
[ 51.091007][ T3636] ? rcu_read_lock_sched_held+0x41/0xb0
[ 51.096557][ T3636] do_group_exit+0x23b/0x2f0
[ 51.101224][ T3636] ? _raw_spin_unlock_irq+0x1f/0x40
[ 51.106439][ T3636] ? lockdep_hardirqs_on+0x8d/0x130
[ 51.111641][ T3636] get_signal+0x16a3/0x1700
[ 51.116151][ T3636] arch_do_signal_or_restart+0x29/0x5d0
[ 51.121725][ T3636] exit_to_user_mode_loop+0x74/0x150
[ 51.127039][ T3636] exit_to_user_mode_prepare+0xb2/0x140
[ 51.132611][ T3636] syscall_exit_to_user_mode+0x26/0x60
[ 51.138271][ T3636] do_syscall_64+0x49/0x90
[ 51.143033][ T3636] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.149376][ T3636] RIP: 0033:0x4191dc
[ 51.153293][ T3636] Code: Unable to access opcode bytes at RIP 0x4191b2.
[ 51.160326][ T3636] RSP: 002b:00007ffe6c6d7830 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 51.170079][ T3636] RAX: fffffffffffffe00 RBX: 00007ffe6c6d78f0 RCX: 00000000004191dc
[ 51.178052][ T3636] RDX: 0000000000000050 RSI: 0000000000568020 RDI: 00000000000000f9
[ 51.186026][ T3636] RBP: 0000000000000003 R08: 0000000000000000 R09: 0079746972756365
[ 51.194096][ T3636] R10: 00000000005436a0 R11: 0000000000000246 R12: 0000000000000032
[ 51.202061][ T3636] R13: 000000000000c4c0 R14: 0000000000000000 R15: 00007ffe6c6d7930
[ 51.210491][ T3636] </TASK>
[ 51.213889][ T3636] Kernel Offset: disabled
[ 51.218357][ T3636] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=<nil>)
GO111MODULE="auto"
GOARCH="amd64"
GOBIN=""
GOCACHE="/syzkaller/.cache/go-build"
GOENV="/syzkaller/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/syzkaller/jobs/linux/gopath/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/syzkaller/jobs/linux/gopath"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build478383173=/tmp/go-build -gno-record-gcc-switches"
git status (err=<nil>)
HEAD detached at 607e3baf1
nothing to commit, working tree clean
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=607e3baf1c25928040d05fc22eff6fce7edd709e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20210324-183421'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=607e3baf1c25928040d05fc22eff6fce7edd709e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20210324-183421'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=607e3baf1c25928040d05fc22eff6fce7edd709e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20210324-183421'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -static -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"607e3baf1c25928040d05fc22eff6fce7edd709e\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=149def63080000
Tested on:
commit: d4252071 add barriers to buffer_uptodate and set_buffe..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
kernel config: https://syzkaller.appspot.com/x/.config?x=aac0e3f739de465e
dashboard link: https://syzkaller.appspot.com/bug?extid=b6c9fe29aefe68e4ad34
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=12593366080000
On Wed, 10 Aug 2022 22:17:12 +0530 syzbot wrote:
> Hello,
>
> syzbot tried to test the proposed patch but the build/boot failed:
Trying again.
#syz test https://github.com/siddhpant/linux.git warning_ibss_csa_beacon
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
active interface with an up link
[ 50.263416][ T3638] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 50.285671][ T3638] team0: Port device team_slave_0 added
[ 50.292792][ T3638] team0: Port device team_slave_1 added
[ 50.310141][ T3638] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 50.317225][ T3638] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 50.343683][ T3638] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 50.356731][ T3638] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 50.364022][ T3638] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 50.390221][ T3638] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 50.416765][ T3638] device hsr_slave_0 entered promiscuous mode
[ 50.423796][ T3638] device hsr_slave_1 entered promiscuous mode
[ 50.500816][ T3638] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 50.511693][ T3638] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 50.521112][ T3638] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 50.530709][ T3638] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 50.551898][ T3638] bridge0: port 2(bridge_slave_1) entered blocking state
[ 50.559135][ T3638] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 50.566985][ T3638] bridge0: port 1(bridge_slave_0) entered blocking state
[ 50.574182][ T3638] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 50.620324][ T3638] 8021q: adding VLAN 0 to HW filter on device bond0
[ 50.634712][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 50.644519][ T14] bridge0: port 1(bridge_slave_0) entered disabled state
[ 50.653256][ T14] bridge0: port 2(bridge_slave_1) entered disabled state
[ 50.661875][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 50.675639][ T3638] 8021q: adding VLAN 0 to HW filter on device team0
[ 50.686683][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 50.696048][ T14] bridge0: port 1(bridge_slave_0) entered blocking state
[ 50.703313][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 50.716587][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 50.726078][ T143] bridge0: port 2(bridge_slave_1) entered blocking state
[ 50.733163][ T143] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 50.751866][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 50.766290][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 50.775160][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 50.787909][ T3650] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 50.800188][ T3638] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 50.812187][ T3638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 50.821509][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 50.845246][ T3638] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 50.853191][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 50.861297][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 50.976504][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 50.990346][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 51.001733][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 51.009609][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 51.018756][ T3638] device veth0_vlan entered promiscuous mode
[ 51.033199][ T3638] device veth1_vlan entered promiscuous mode
[ 51.053599][ T3650] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 51.063508][ T3650] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 51.072555][ T3650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 51.084230][ T3638] device veth0_macvtap entered promiscuous mode
[ 51.093816][ T3638] device veth1_macvtap entered promiscuous mode
[ 51.116192][ T3638] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 51.124686][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 51.136685][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 51.149935][ T3638] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 51.158614][ T3650] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 51.168462][ T3650] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 51.182170][ T3638] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.192643][ T3638] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.202462][ T3638] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.212143][ T3638] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.299438][ T29] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 51.310951][ T29] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 51.322462][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 51.335671][ T2494] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 51.344772][ T2494] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 51.353568][ T143] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2022/08/11 13:00:39 building call list...
[ 51.514478][ T3638] ------------[ cut here ]------------
[ 51.520140][ T3638] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0
[ 51.530079][ T3638] WARNING: CPU: 0 PID: 3638 at lib/debugobjects.c:505 debug_object_assert_init+0x1fa/0x250
[ 51.540259][ T3638] Modules linked in:
[ 51.544336][ T3638] CPU: 0 PID: 3638 Comm: syz-executor.0 Not tainted 5.19.0-syzkaller #0
[ 51.552766][ T3638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 51.563627][ T3638] RIP: 0010:debug_object_assert_init+0x1fa/0x250
[ 51.570150][ T3638] Code: e8 eb 83 d1 fd 4c 8b 45 00 48 c7 c7 60 9f 6a 8a 48 c7 c6 60 9c 6a 8a 48 c7 c2 00 a1 6a 8a 31 c9 49 89 d9 31 c0 e8 66 73 4e fd <0f> 0b ff 05 9a 20 8a 09 48 83 c5 38 48 89 e8 48 c1 e8 03 42 80 3c
[ 51.590417][ T3638] RSP: 0018:ffffc90003b0f8c8 EFLAGS: 00010046
[ 51.596584][ T3638] RAX: af76cc1e655f6400 RBX: 0000000000000000 RCX: ffff888014741d40
[ 51.604841][ T3638] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 51.612846][ T3638] RBP: ffffffff8a0fc700 R08: ffffffff8165f59d R09: ffffed1017384f14
[ 51.621025][ T3638] R10: ffffed1017384f14 R11: 1ffff11017384f13 R12: dffffc0000000000
[ 51.629090][ T3638] R13: ffff88807f3d09d0 R14: 0000000000000011 R15: ffffffff90029988
[ 51.637103][ T3638] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 51.646131][ T3638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.652815][ T3638] CR2: 000000c00060a001 CR3: 0000000020940000 CR4: 00000000003506f0
[ 51.660973][ T3638] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 51.668940][ T3638] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 51.677688][ T3638] Call Trace:
[ 51.680962][ T3638] <TASK>
[ 51.683992][ T3638] del_timer+0x3d/0x2d0
[ 51.688212][ T3638] ? try_to_grab_pending+0xb1/0x700
[ 51.693412][ T3638] try_to_grab_pending+0xbf/0x700
[ 51.698619][ T3638] __cancel_work_timer+0x81/0x5b0
[ 51.703983][ T3638] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 51.709401][ T3638] ? kmem_cache_free+0x95/0x1d0
[ 51.714437][ T3638] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 51.719724][ T3638] mgmt_index_removed+0x244/0x330
[ 51.725464][ T3638] hci_unregister_dev+0x28e/0x460
[ 51.730623][ T3638] ? vhci_open+0x360/0x360
[ 51.735209][ T3638] vhci_release+0x7f/0xd0
[ 51.739538][ T3638] __fput+0x3b9/0x820
[ 51.743800][ T3638] task_work_run+0x146/0x1c0
[ 51.748501][ T3638] do_exit+0x4ed/0x1f30
[ 51.752680][ T3638] ? rcu_read_lock_sched_held+0x41/0xb0
[ 51.758365][ T3638] do_group_exit+0x23b/0x2f0
[ 51.762963][ T3638] ? _raw_spin_unlock_irq+0x1f/0x40
[ 51.768653][ T3638] ? lockdep_hardirqs_on+0x8d/0x130
[ 51.774245][ T3638] get_signal+0x16a3/0x1700
[ 51.779122][ T3638] arch_do_signal_or_restart+0x29/0x5d0
[ 51.784691][ T3638] exit_to_user_mode_loop+0x74/0x150
[ 51.790147][ T3638] exit_to_user_mode_prepare+0xb2/0x140
[ 51.796127][ T3638] syscall_exit_to_user_mode+0x26/0x60
[ 51.802152][ T3638] do_syscall_64+0x49/0x90
[ 51.806773][ T3638] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 51.812939][ T3638] RIP: 0033:0x4191dc
[ 51.817111][ T3638] Code: Unable to access opcode bytes at RIP 0x4191b2.
[ 51.823960][ T3638] RSP: 002b:00007fffcb50dcd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 51.832477][ T3638] RAX: fffffffffffffe00 RBX: 00007fffcb50dd90 RCX: 00000000004191dc
[ 51.840566][ T3638] RDX: 0000000000000050 RSI: 0000000000568020 RDI: 00000000000000f9
[ 51.848559][ T3638] RBP: 0000000000000003 R08: 0000000000000000 R09: 0079746972756365
[ 51.857099][ T3638] R10: 00000000005436a0 R11: 0000000000000246 R12: 0000000000000032
[ 51.865523][ T3638] R13: 000000000000c8b1 R14: 0000000000000000 R15: 00007fffcb50ddd0
[ 51.873863][ T3638] </TASK>
[ 51.876995][ T3638] Kernel panic - not syncing: panic_on_warn set ...
[ 51.883575][ T3638] CPU: 0 PID: 3638 Comm: syz-executor.0 Not tainted 5.19.0-syzkaller #0
[ 51.892096][ T3638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 51.902161][ T3638] Call Trace:
[ 51.905527][ T3638] <TASK>
[ 51.908545][ T3638] dump_stack_lvl+0x131/0x1c8
[ 51.913322][ T3638] panic+0x26b/0x693
[ 51.917497][ T3638] ? __warn+0x131/0x220
[ 51.921826][ T3638] ? debug_object_assert_init+0x1fa/0x250
[ 51.927674][ T3638] __warn+0x1fa/0x220
[ 51.931700][ T3638] ? debug_object_assert_init+0x1fa/0x250
[ 51.937520][ T3638] report_bug+0x1b3/0x2d0
[ 51.941878][ T3638] handle_bug+0x3d/0x70
[ 51.946174][ T3638] exc_invalid_op+0x16/0x40
[ 51.950780][ T3638] asm_exc_invalid_op+0x16/0x20
[ 51.955734][ T3638] RIP: 0010:debug_object_assert_init+0x1fa/0x250
[ 51.962102][ T3638] Code: e8 eb 83 d1 fd 4c 8b 45 00 48 c7 c7 60 9f 6a 8a 48 c7 c6 60 9c 6a 8a 48 c7 c2 00 a1 6a 8a 31 c9 49 89 d9 31 c0 e8 66 73 4e fd <0f> 0b ff 05 9a 20 8a 09 48 83 c5 38 48 89 e8 48 c1 e8 03 42 80 3c
[ 51.981793][ T3638] RSP: 0018:ffffc90003b0f8c8 EFLAGS: 00010046
[ 51.988057][ T3638] RAX: af76cc1e655f6400 RBX: 0000000000000000 RCX: ffff888014741d40
[ 51.996245][ T3638] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 52.005054][ T3638] RBP: ffffffff8a0fc700 R08: ffffffff8165f59d R09: ffffed1017384f14
[ 52.013065][ T3638] R10: ffffed1017384f14 R11: 1ffff11017384f13 R12: dffffc0000000000
[ 52.021767][ T3638] R13: ffff88807f3d09d0 R14: 0000000000000011 R15: ffffffff90029988
[ 52.031524][ T3638] ? __wake_up_klogd+0xcd/0x100
[ 52.036840][ T3638] ? debug_object_assert_init+0x1fa/0x250
[ 52.042873][ T3638] del_timer+0x3d/0x2d0
[ 52.047348][ T3638] ? try_to_grab_pending+0xb1/0x700
[ 52.052749][ T3638] try_to_grab_pending+0xbf/0x700
[ 52.057800][ T3638] __cancel_work_timer+0x81/0x5b0
[ 52.062831][ T3638] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 52.068345][ T3638] ? kmem_cache_free+0x95/0x1d0
[ 52.073224][ T3638] ? mgmt_send_event_skb+0x2ee/0x4e0
[ 52.078681][ T3638] mgmt_index_removed+0x244/0x330
[ 52.083977][ T3638] hci_unregister_dev+0x28e/0x460
[ 52.089128][ T3638] ? vhci_open+0x360/0x360
[ 52.093621][ T3638] vhci_release+0x7f/0xd0
[ 52.097961][ T3638] __fput+0x3b9/0x820
[ 52.102128][ T3638] task_work_run+0x146/0x1c0
[ 52.106746][ T3638] do_exit+0x4ed/0x1f30
[ 52.110908][ T3638] ? rcu_read_lock_sched_held+0x41/0xb0
[ 52.116673][ T3638] do_group_exit+0x23b/0x2f0
[ 52.121452][ T3638] ? _raw_spin_unlock_irq+0x1f/0x40
[ 52.126661][ T3638] ? lockdep_hardirqs_on+0x8d/0x130
[ 52.131858][ T3638] get_signal+0x16a3/0x1700
[ 52.136804][ T3638] arch_do_signal_or_restart+0x29/0x5d0
[ 52.142556][ T3638] exit_to_user_mode_loop+0x74/0x150
[ 52.147840][ T3638] exit_to_user_mode_prepare+0xb2/0x140
[ 52.153731][ T3638] syscall_exit_to_user_mode+0x26/0x60
[ 52.159196][ T3638] do_syscall_64+0x49/0x90
[ 52.163644][ T3638] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 52.169629][ T3638] RIP: 0033:0x4191dc
[ 52.173526][ T3638] Code: Unable to access opcode bytes at RIP 0x4191b2.
[ 52.180458][ T3638] RSP: 002b:00007fffcb50dcd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 52.189133][ T3638] RAX: fffffffffffffe00 RBX: 00007fffcb50dd90 RCX: 00000000004191dc
[ 52.197189][ T3638] RDX: 0000000000000050 RSI: 0000000000568020 RDI: 00000000000000f9
[ 52.205251][ T3638] RBP: 0000000000000003 R08: 0000000000000000 R09: 0079746972756365
[ 52.213269][ T3638] R10: 00000000005436a0 R11: 0000000000000246 R12: 0000000000000032
[ 52.221332][ T3638] R13: 000000000000c8b1 R14: 0000000000000000 R15: 00007fffcb50ddd0
[ 52.229405][ T3638] </TASK>
[ 52.232869][ T3638] Kernel Offset: disabled
[ 52.237327][ T3638] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=<nil>)
GO111MODULE="auto"
GOARCH="amd64"
GOBIN=""
GOCACHE="/syzkaller/.cache/go-build"
GOENV="/syzkaller/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/syzkaller/jobs/linux/gopath/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/syzkaller/jobs/linux/gopath"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1977670166=/tmp/go-build -gno-record-gcc-switches"
git status (err=<nil>)
HEAD detached at 607e3baf1
nothing to commit, working tree clean
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=607e3baf1c25928040d05fc22eff6fce7edd709e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20210324-183421'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=607e3baf1c25928040d05fc22eff6fce7edd709e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20210324-183421'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=607e3baf1c25928040d05fc22eff6fce7edd709e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20210324-183421'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -static -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"607e3baf1c25928040d05fc22eff6fce7edd709e\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=13730f25080000
Tested on:
commit: 64737995 wifi: mac80211: Don't finalize CSA in IBSS mo..
git tree: https://github.com/siddhpant/linux.git warning_ibss_csa_beacon
kernel config: https://syzkaller.appspot.com/x/.config?x=9b770cb261c0c061
dashboard link: https://syzkaller.appspot.com/bug?extid=b6c9fe29aefe68e4ad34
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
Note: no patches were applied.