Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. 2021/04/30 15:09:13 fuzzer started 2021/04/30 15:09:13 dialing manager at 10.128.0.169:44661 2021/04/30 15:09:14 syscalls: 3571 2021/04/30 15:09:14 code coverage: enabled 2021/04/30 15:09:14 comparison tracing: enabled 2021/04/30 15:09:14 extra coverage: enabled 2021/04/30 15:09:14 setuid sandbox: enabled 2021/04/30 15:09:14 namespace sandbox: enabled 2021/04/30 15:09:14 Android sandbox: /sys/fs/selinux/policy does not exist 2021/04/30 15:09:14 fault injection: enabled 2021/04/30 15:09:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/04/30 15:09:14 net packet injection: enabled 2021/04/30 15:09:14 net device setup: enabled 2021/04/30 15:09:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/04/30 15:09:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/04/30 15:09:14 USB emulation: enabled 2021/04/30 15:09:14 hci packet injection: enabled 2021/04/30 15:09:14 wifi device emulation: enabled 2021/04/30 15:09:14 802.15.4 emulation: enabled 2021/04/30 15:09:14 fetching corpus: 0, signal 0/2000 (executing program) syzkaller login: [ 73.194448][ T1] general protection fault, probably for non-canonical address 0xdffffe101ffffdd0: 0000 [#1] PREEMPT SMP KASAN [ 73.195171][ T4866] ================================================================== [ 73.206239][ T1] KASAN: probably user-memory-access in range [0x00001080ffffee80-0x00001080ffffee87] [ 73.214295][ T4866] BUG: KASAN: user-memory-access in __mutex_lock+0x146/0x1120 [ 73.223811][ T1] CPU: 0 PID: 1 Comm: systemd Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 73.231242][ T4866] Read of size 8 at addr 00001080ffffee20 by task systemd-udevd/4866 [ 73.240233][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.248268][ T4866] [ 73.248274][ T4866] CPU: 1 PID: 4866 Comm: systemd-udevd Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 73.258303][ T1] RIP: 0010:__mutex_lock+0xf6/0x1120 [ 73.260609][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.270405][ T1] Code: d0 7c 08 84 d2 0f 85 28 0d 00 00 8b 15 93 65 5f 07 85 d2 75 29 48 8d 7d 60 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 2f 0f 00 00 48 3b 6d 60 0f 85 a5 0a 00 00 bf 01 [ 73.275662][ T4866] Call Trace: [ 73.275675][ T4866] dump_stack+0x141/0x1d7 [ 73.285695][ T1] RSP: 0018:ffffc90000c67a10 EFLAGS: 00010202 [ 73.305276][ T4866] ? __mutex_lock+0x146/0x1120 [ 73.308561][ T1] [ 73.308567][ T1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 73.312864][ T4866] kasan_report.cold+0x5f/0xd8 [ 73.318902][ T1] RDX: 000002101ffffdd0 RSI: 0000000000000000 RDI: 00001080ffffee80 [ 73.323645][ T4866] ? __mutex_lock+0x146/0x1120 [ 73.325949][ T1] RBP: 00001080ffffee20 R08: ffffffff816f4551 R09: 0000000000000100 [ 73.333901][ T4866] kasan_check_range+0x13d/0x180 [ 73.338637][ T1] R10: ffffffff81f09333 R11: 0000000000000000 R12: 0000000000000000 [ 73.346595][ T4866] __mutex_lock+0x146/0x1120 [ 73.351336][ T1] R13: dffffc0000000000 R14: ffff88801a5d8580 R15: 0000000000000000 [ 73.359284][ T4866] ? cgroup_pidlist_start+0x131/0x4b0 [ 73.364200][ T1] FS: 00007f87b872e500(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 73.372149][ T4866] ? cgroup_pidlist_start+0x131/0x4b0 [ 73.376716][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.384675][ T4866] ? mutex_lock_io_nested+0xf70/0xf70 [ 73.390038][ T1] CR2: 0000560f121d1c80 CR3: 00000000249f1000 CR4: 00000000001506f0 [ 73.398946][ T4866] ? lock_acquire+0x58a/0x740 [ 73.404298][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.410857][ T4866] ? kernfs_seq_start+0x4b/0x260 [ 73.416202][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.424153][ T4866] ? rcu_read_lock_sched_held+0xd/0x70 [ 73.428804][ T1] Call Trace: [ 73.428814][ T1] ? cgroup_pidlist_start+0x131/0x4b0 [ 73.436757][ T4866] ? lock_acquire+0x58a/0x740 [ 73.441674][ T1] ? mutex_lock_io_nested+0xf70/0xf70 [ 73.449622][ T4866] ? lock_release+0x720/0x720 [ 73.455057][ T1] ? lock_release+0x720/0x720 [ 73.458316][ T4866] ? lock_downgrade+0x6e0/0x6e0 [ 73.463665][ T1] cgroup_pidlist_start+0x131/0x4b0 [ 73.468312][ T4866] ? mutex_lock_io_nested+0xf70/0xf70 [ 73.473680][ T1] ? cgroup_file_release+0xa0/0xa0 [ 73.478330][ T4866] ? lock_release+0x720/0x720 [ 73.482981][ T1] kernfs_seq_start+0xd7/0x260 [ 73.487811][ T4866] cgroup_pidlist_start+0x131/0x4b0 [ 73.492981][ T1] seq_read_iter+0x2c6/0x1220 [ 73.498326][ T4866] ? cgroup_file_release+0xa0/0xa0 [ 73.503413][ T1] kernfs_fop_read_iter+0x44f/0x5f0 [ 73.508061][ T4866] kernfs_seq_start+0xd7/0x260 [ 73.512824][ T1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.518029][ T4866] seq_read_iter+0x2c6/0x1220 [ 73.522678][ T1] ? iov_iter_init+0x3c/0x130 [ 73.527769][ T4866] kernfs_fop_read_iter+0x44f/0x5f0 [ 73.532939][ T1] new_sync_read+0x41e/0x6e0 [ 73.537676][ T4866] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.543910][ T1] ? ksys_lseek+0x1b0/0x1b0 [ 73.548580][ T4866] ? iov_iter_init+0x3c/0x130 [ 73.553251][ T1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.558430][ T4866] new_sync_read+0x41e/0x6e0 [ 73.563001][ T1] vfs_read+0x35c/0x570 [ 73.569214][ T4866] ? ksys_lseek+0x1b0/0x1b0 [ 73.573695][ T1] ksys_read+0x12d/0x250 [ 73.578349][ T4866] ? lock_acquire+0x58a/0x740 [ 73.584304][ T1] ? vfs_write+0xa40/0xa40 [ 73.588871][ T4866] vfs_read+0x35c/0x570 [ 73.593027][ T1] ? syscall_enter_from_user_mode+0x27/0x70 [ 73.597504][ T4866] ksys_read+0x12d/0x250 [ 73.601721][ T1] do_syscall_64+0x3a/0xb0 [ 73.606373][ T4866] ? vfs_write+0xa40/0xa40 [ 73.610764][ T1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.614897][ T4866] ? __secure_computing+0x104/0x360 [ 73.620792][ T1] RIP: 0033:0x7f87b6cf792d [ 73.625009][ T4866] do_syscall_64+0x3a/0xb0 [ 73.629412][ T1] Code: 2d 2c 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 de 9b 01 00 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 27 9c 01 00 48 89 d0 48 83 c4 08 48 3d 01 [ 73.633801][ T4866] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.639682][ T1] RSP: 002b:00007ffc60248bc0 EFLAGS: 00000293 [ 73.644859][ T4866] RIP: 0033:0x7fa139fb7910 [ 73.649270][ T1] ORIG_RAX: 0000000000000000 [ 73.653663][ T4866] Code: b6 fe ff ff 48 8d 3d 0f be 08 00 48 83 ec 08 e8 06 db 01 00 66 0f 1f 44 00 00 83 3d f9 2d 2c 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 de 9b 01 00 48 89 04 24 [ 73.673242][ T1] RAX: ffffffffffffffda RBX: 0000560f122c2270 RCX: 00007f87b6cf792d [ 73.679110][ T4866] RSP: 002b:00007fffdbaf3d78 EFLAGS: 00000246 [ 73.685149][ T1] RDX: 0000000000001000 RSI: 0000560f122d9460 RDI: 0000000000000014 [ 73.689555][ T4866] ORIG_RAX: 0000000000000000 [ 73.694207][ T1] RBP: 0000000000000d68 R08: 0000000000000003 R09: 0000000000001010 [ 73.713790][ T4866] RAX: ffffffffffffffda RBX: 000055a36c675030 RCX: 00007fa139fb7910 [ 73.721741][ T1] R10: 00000000000003a0 R11: 0000000000000293 R12: 00007f87b6fb2440 [ 73.727787][ T4866] RDX: 0000000000001000 RSI: 000055a36c68e3a0 RDI: 000000000000000e [ 73.735738][ T1] R13: 00007f87b6fb1900 R14: 00000000ffffffff R15: 0000000000000000 [ 73.740387][ T4866] RBP: 0000000000000d68 R08: 00007fa13a2761d8 R09: 0000000000001010 [ 73.748343][ T1] Modules linked in: [ 73.756284][ T4866] R10: 00007fa13a275b78 R11: 0000000000000246 R12: 00007fa13a272440 [ 73.756299][ T4866] R13: 00007fa13a271900 R14: 00000000ffffffff R15: 0000000000000000 [ 73.764249][ T1] [ 73.810459][ T4866] ================================================================== [ 73.818655][ T4866] Kernel panic - not syncing: panic_on_warn set ... [ 73.825977][ T4866] Kernel Offset: disabled [ 73.830299][ T4866] Rebooting in 86400 seconds..