[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts.
2021/04/21 18:02:48 fuzzer started
2021/04/21 18:02:49 dialing manager at 10.128.0.169:41443
2021/04/21 18:02:49 syscalls: 3560
2021/04/21 18:02:49 code coverage: enabled
2021/04/21 18:02:49 comparison tracing: enabled
2021/04/21 18:02:49 extra coverage: enabled
2021/04/21 18:02:49 setuid sandbox: enabled
2021/04/21 18:02:49 namespace sandbox: enabled
2021/04/21 18:02:49 Android sandbox: /sys/fs/selinux/policy does not exist
2021/04/21 18:02:49 fault injection: enabled
2021/04/21 18:02:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2021/04/21 18:02:49 net packet injection: enabled
2021/04/21 18:02:49 net device setup: enabled
2021/04/21 18:02:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2021/04/21 18:02:49 devlink PCI setup: PCI device 0000:00:10.0 is not available
2021/04/21 18:02:49 USB emulation: enabled
2021/04/21 18:02:49 hci packet injection: enabled
2021/04/21 18:02:49 wifi device emulation: enabled
2021/04/21 18:02:49 802.15.4 emulation: enabled
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syzkaller login: [   71.182310][ T3262] ieee802154 phy0 wpan0: encryption failed: -22
[   71.188872][ T3262] ieee802154 phy1 wpan1: encryption failed: -22
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2021/04/21 18:03:31 starting 6 fuzzer processes
18:03:31 executing program 0:
syz_mount_image$msdos(&(0x7f0000000040)='msdos\x00', &(0x7f00000003c0)='./file1\x00', 0xffffffff, 0x1, &(0x7f0000000080)=[{&(0x7f0000000340)="0400050900000000666174000404090a0200027400f801", 0x17}], 0x2000004, &(0x7f00000004c0)=ANY=[])
chdir(&(0x7f0000000000)='./file1\x00')
creat(&(0x7f00000000c0)='./file1\x00', 0x1)
perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0)
write$P9_RREADLINK(r0, &(0x7f0000000300)=ANY=[], 0x116)
sendfile(r0, r0, &(0x7f0000000240), 0x7fff)

[  111.886637][ T8445] BUG: unable to handle page fault for address: 00000a50ffffea08
[  111.894400][ T8445] #PF: supervisor read access in kernel mode
[  111.900396][ T8445] #PF: error_code(0x0000) - not-present page
[  111.906377][ T8445] PGD 0 P4D 0 
[  111.909761][ T8445] Oops: 0000 [#1] PREEMPT SMP KASAN
[  111.914962][ T8445] CPU: 0 PID: 8445 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210421-syzkaller #0
[  111.924508][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  111.934569][ T8445] RIP: 0010:stack_depot_save+0x12b/0x4e0
[  111.940232][ T8445] Code: 05 da e5 b7 0c 89 da 81 e2 ff ff 0f 00 4c 8d 3c d0 4d 8b 37 4d 85 f6 75 11 e9 94 00 00 00 4d 8b 36 4d 85 f6 0f 84 88 00 00 00 <41> 39 5e 08 75 ee 45 3b 66 0c 75 e8 31 c0 49 8b 4c c6 18 48 39 4c
[  111.959852][ T8445] RSP: 0018:ffffc9000168f938 EFLAGS: 00010206
[  111.965931][ T8445] RAX: ffff88823b000000 RBX: 00000000ad6ffc92 RCX: 0000000000000001
[  111.973913][ T8445] RDX: 00000000000ffc92 RSI: 0000000000000800 RDI: 00000000db36846a
[  111.981893][ T8445] RBP: ffffc9000168f9a8 R08: 000000008c561b03 R09: 0000000000000000
[  111.989875][ T8445] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000b
[  111.997854][ T8445] R13: 000000000000000b R14: 00000a50ffffea00 R15: ffff88823b7fe490
[  112.005833][ T8445] FS:  000000c00002e490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[  112.014776][ T8445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.021384][ T8445] CR2: 00000a50ffffea08 CR3: 00000000294e0000 CR4: 00000000001506f0
[  112.029366][ T8445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  112.037343][ T8445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  112.045328][ T8445] Call Trace:
[  112.048613][ T8445]  ? kmem_cache_free+0x97/0x750
[  112.053480][ T8445]  kasan_save_stack+0x32/0x40
[  112.058171][ T8445]  ? kasan_save_stack+0x1b/0x40
[  112.063031][ T8445]  ? kasan_set_track+0x1c/0x30
[  112.067806][ T8445]  ? kasan_set_free_info+0x20/0x30
[  112.072958][ T8445]  ? __kasan_slab_free+0xfb/0x130
[  112.077994][ T8445]  ? slab_free_freelist_hook+0xdf/0x240
[  112.083554][ T8445]  ? kmem_cache_free+0x97/0x750
[  112.088412][ T8445]  ? putname+0xe1/0x120
[  112.092580][ T8445]  ? filename_lookup+0x3c3/0x570
[  112.097525][ T8445]  ? __x64_sys_chdir+0xb7/0x260
[  112.102384][ T8445]  ? do_syscall_64+0x3a/0xb0
[  112.106994][ T8445]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[  112.113071][ T8445]  ? find_held_lock+0x2d/0x110
[  112.117847][ T8445]  ? debug_check_no_obj_freed+0x20c/0x420
[  112.123577][ T8445]  ? lock_downgrade+0x6e0/0x6e0
[  112.128442][ T8445]  ? _raw_spin_unlock_irqrestore+0x50/0x70
[  112.134268][ T8445]  ? lockdep_hardirqs_on+0x79/0x100
[  112.139485][ T8445]  ? _raw_spin_unlock_irqrestore+0x3d/0x70
[  112.145309][ T8445]  ? debug_check_no_obj_freed+0x20c/0x420
[  112.151041][ T8445]  ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[  112.157294][ T8445]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  112.163551][ T8445]  kasan_set_track+0x1c/0x30
[  112.168152][ T8445]  kasan_set_free_info+0x20/0x30
[  112.173093][ T8445]  __kasan_slab_free+0xfb/0x130
[  112.177964][ T8445]  slab_free_freelist_hook+0xdf/0x240
[  112.183356][ T8445]  kmem_cache_free+0x97/0x750
[  112.188050][ T8445]  ? putname+0xe1/0x120
[  112.192217][ T8445]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[  112.198476][ T8445]  putname+0xe1/0x120
[  112.202468][ T8445]  filename_lookup+0x3c3/0x570
[  112.207257][ T8445]  ? may_linkat+0x2d0/0x2d0
[  112.211774][ T8445]  ? __check_object_size+0x171/0x3f0
[  112.217101][ T8445]  ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[  112.223354][ T8445]  ? strncpy_from_user+0x2a0/0x3e0
[  112.228487][ T8445]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[  112.234745][ T8445]  ? getname_flags.part.0+0x1dd/0x4f0
[  112.240127][ T8445]  ? __context_tracking_exit+0xb8/0xe0
[  112.245610][ T8445]  __x64_sys_chdir+0xb7/0x260
[  112.250304][ T8445]  ? __ia32_sys_access+0x80/0x80
[  112.255255][ T8445]  ? syscall_enter_from_user_mode+0x27/0x70
[  112.261166][ T8445]  do_syscall_64+0x3a/0xb0
[  112.265593][ T8445]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  112.271502][ T8445] RIP: 0033:0x4af276
[  112.275398][ T8445] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 1b 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[  112.295015][ T8445] RSP: 002b:000000c000467388 EFLAGS: 00000202 ORIG_RAX: 0000000000000050
[  112.303443][ T8445] RAX: ffffffffffffffda RBX: 000000c00002e400 RCX: 00000000004af276
[  112.311425][ T8445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c003a36120
[  112.319405][ T8445] RBP: 000000c000467528 R08: 0000000000000000 R09: 0000000000000000
[  112.327378][ T8445] R10: 0000000000000008 R11: 0000000000000202 R12: 00000000004a7ad8
18:03:32 executing program 2:
r0 = socket$inet_dccp(0x2, 0x6, 0x0)
getsockopt$IP_VS_SO_GET_DAEMON(r0, 0x10d, 0xb, &(0x7f0000000440), &(0x7f0000000480)=0x30)

18:03:32 executing program 1:
r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0)
openat$capi20(0xffffffffffffff9c, &(0x7f0000000040)='/dev/capi20\x00', 0x0, 0x0)
close_range(r0, 0xffffffffffffffff, 0x0)

[  112.335359][ T8445] R13: 0000000000000008 R14: 0000000000000007 R15: 00000000000000aa
[  112.343346][ T8445] Modules linked in:
[  112.347248][ T8445] CR2: 00000a50ffffea08
[  112.359741][ T8445] ---[ end trace fc5144499fff8c7b ]---
[  112.365278][ T8445] RIP: 0010:stack_depot_save+0x12b/0x4e0
[  112.371180][ T8445] Code: 05 da e5 b7 0c 89 da 81 e2 ff ff 0f 00 4c 8d 3c d0 4d 8b 37 4d 85 f6 75 11 e9 94 00 00 00 4d 8b 36 4d 85 f6 0f 84 88 00 00 00 <41> 39 5e 08 75 ee 45 3b 66 0c 75 e8 31 c0 49 8b 4c c6 18 48 39 4c
[  112.391354][ T8445] RSP: 0018:ffffc9000168f938 EFLAGS: 00010206
[  112.397508][ T8445] RAX: ffff88823b000000 RBX: 00000000ad6ffc92 RCX: 0000000000000001
[  112.405936][ T8445] RDX: 00000000000ffc92 RSI: 0000000000000800 RDI: 00000000db36846a
[  112.414358][ T8445] RBP: ffffc9000168f9a8 R08: 000000008c561b03 R09: 0000000000000000
[  112.422764][ T8445] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000b
[  112.431163][ T8445] R13: 000000000000000b R14: 00000a50ffffea00 R15: ffff88823b7fe490
[  112.439549][ T8445] FS:  000000c00002e490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[  112.448984][ T8445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.455650][ T8445] CR2: 00007f0a6403f098 CR3: 00000000294e0000 CR4: 00000000001506f0
[  112.464326][ T8445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  112.472810][ T8445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  112.481436][ T8445] Kernel panic - not syncing: Fatal exception
[  112.488013][ T8445] Kernel Offset: disabled
[  112.492333][ T8445] Rebooting in 86400 seconds..