syzkaller
syzkaller login: [ 22.583004][ T813] cgroup: Unknown subsys name 'net'
[ 22.675790][ T813] cgroup: Unknown subsys name 'rlimit'
[ 22.903948][ T813] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 22.913895][ T811] syz-fuzzer[811]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
[ 23.842845][ T1146] modprobe (1146) used greatest stack depth: 11432 bytes left
[ 24.199937][ T817] syz-executor.0 (817) used greatest stack depth: 11160 bytes left
[ 24.431623][ T805] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 24.510499][ T805] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
Warning: Permanently added '10.128.0.101' (ED25519) to the list of known hosts.
2023/11/16 09:50:15 ignoring optional flag "sandboxArg"="0"
2023/11/16 09:50:15 parsed 1 programs
2023/11/16 09:50:15 executed programs: 0
[ 42.129440][ T1394] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 43.481890][ T1855] FAULT_INJECTION: forcing a failure.
[ 43.481890][ T1855] name failslab, interval 1, probability 0, space 0, times 1
[ 43.495053][ T1855] CPU: 0 PID: 1855 Comm: syz-executor.0 Not tainted 6.6.0-rc2-syzkaller #0
[ 43.504744][ T1855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 43.515299][ T1855] Call Trace:
[ 43.518652][ T1855]
[ 43.521578][ T1855] dump_stack_lvl+0x83/0xd0
[ 43.526230][ T1855] should_fail_ex+0x135/0x140
[ 43.530979][ T1855] should_failslab+0x9/0x20
[ 43.536226][ T1855] slab_pre_alloc_hook+0x48/0x2c0
[ 43.541569][ T1855] ? slab_post_alloc_hook+0x7d/0x4a0
[ 43.546880][ T1855] kmem_cache_alloc_lru+0x4d/0x2a0
[ 43.552130][ T1855] ? alloc_inode+0x33/0xa0
[ 43.556520][ T1855] alloc_inode+0x33/0xa0
[ 43.560823][ T1855] new_inode+0x12/0xb0
[ 43.564969][ T1855] autofs_fill_super+0xd7/0x2c0
[ 43.570163][ T1855] ? sget_fc+0x244/0x250
[ 43.574571][ T1855] ? autofs_get_tree+0x90/0x90
[ 43.579315][ T1855] get_tree_nodev+0x52/0x80
[ 43.583970][ T1855] vfs_get_tree+0x20/0xa0
[ 43.588272][ T1855] do_new_mount+0x153/0x390
[ 43.592754][ T1855] __se_sys_mount+0x14b/0x1b0
[ 43.597658][ T1855] do_syscall_64+0x42/0x90
[ 43.602060][ T1855] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 43.607925][ T1855] RIP: 0033:0x7f82b2040ae9
[ 43.612309][ T1855] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 43.634318][ T1855] RSP: 002b:00007f82b1bc30c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 43.642702][ T1855] RAX: ffffffffffffffda RBX: 00007f82b215ff80 RCX: 00007f82b2040ae9
[ 43.650908][ T1855] RDX: 0000000020000040 RSI: 0000000020000380 RDI: 0000000000000000
[ 43.659203][ T1855] RBP: 00007f82b1bc3120 R08: 0000000020000400 R09: 0000000000000000
[ 43.667503][ T1855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 43.676198][ T1855] R13: 0000000000000006 R14: 00007f82b215ff80 R15: 00007ffd2df4e428
[ 43.684413][ T1855]
[ 43.687487][ T1855] BUG: kernel NULL pointer dereference, address: 0000000000000004
[ 43.695790][ T1855] #PF: supervisor write access in kernel mode
[ 43.702221][ T1855] #PF: error_code(0x0002) - not-present page
[ 43.708172][ T1855] PGD 103346067 P4D 103346067 PUD 1096ae067 PMD 0
[ 43.714648][ T1855] Oops: 0002 [#1] PREEMPT SMP
[ 43.719381][ T1855] CPU: 0 PID: 1855 Comm: syz-executor.0 Not tainted 6.6.0-rc2-syzkaller #0
[ 43.728103][ T1855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[ 43.738126][ T1855] RIP: 0010:autofs_fill_super+0x153/0x2c0
[ 43.744091][ T1855] Code: 40 48 89 df be 02 00 00 00 e8 b9 25 e6 ff 48 c7 43 20 80 61 e4 81 48 c7 83 18 02 00 00 48 60 e4 81 48 89 6c 24 08 41 8b 45 00 <89> 43 04 41 8b 45 04 89 43 08 48 89 df e8 eb f9 e5 ff 48 85 c0 74
[ 43.764222][ T1855] RSP: 0018:ffffc90001977de8 EFLAGS: 00010246
[ 43.770269][ T1855] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 43.778484][ T1855] RDX: 0000000000000000 RSI: ffffffff820dbd67 RDI: ffffffff8210e835
[ 43.786427][ T1855] RBP: ffff888101e59e00 R08: 0000000000000000 R09: ffffffff824c1760
[ 43.794574][ T1855] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888105eb4000
[ 43.802547][ T1855] R13: ffff88810aa66c40 R14: 00000000fffffff4 R15: ffff88810a67a900
[ 43.810663][ T1855] FS: 00007f82b1bc36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
[ 43.819743][ T1855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.826394][ T1855] CR2: 0000000000000004 CR3: 0000000103edf000 CR4: 00000000003506f0
[ 43.834700][ T1855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 43.843093][ T1855] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 43.851227][ T1855] Call Trace:
[ 43.854482][ T1855]
[ 43.857400][ T1855] ? __die_body+0x5e/0xa0
[ 43.861723][ T1855] ? page_fault_oops+0x377/0x3e0
[ 43.866724][ T1855] ? dump_stack_lvl+0xab/0xd0
[ 43.871469][ T1855] ? exc_page_fault+0x598/0x760
[ 43.876394][ T1855] ? slab_post_alloc_hook+0x7d/0x4a0
[ 43.881829][ T1855] ? asm_exc_page_fault+0x26/0x30
[ 43.886838][ T1855] ? autofs_fill_super+0x153/0x2c0
[ 43.892269][ T1855] ? autofs_fill_super+0xd7/0x2c0
[ 43.897523][ T1855] ? autofs_get_tree+0x90/0x90
[ 43.902253][ T1855] get_tree_nodev+0x52/0x80
[ 43.906725][ T1855] vfs_get_tree+0x20/0xa0
[ 43.911024][ T1855] do_new_mount+0x153/0x390
[ 43.915581][ T1855] __se_sys_mount+0x14b/0x1b0
[ 43.920223][ T1855] do_syscall_64+0x42/0x90
[ 43.924605][ T1855] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 43.930737][ T1855] RIP: 0033:0x7f82b2040ae9
[ 43.935561][ T1855] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 43.955550][ T1855] RSP: 002b:00007f82b1bc30c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 43.964289][ T1855] RAX: ffffffffffffffda RBX: 00007f82b215ff80 RCX: 00007f82b2040ae9
[ 43.972419][ T1855] RDX: 0000000020000040 RSI: 0000000020000380 RDI: 0000000000000000
[ 43.980547][ T1855] RBP: 00007f82b1bc3120 R08: 0000000020000400 R09: 0000000000000000
[ 43.988834][ T1855] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 43.996781][ T1855] R13: 0000000000000006 R14: 00007f82b215ff80 R15: 00007ffd2df4e428
[ 44.005368][ T1855]
[ 44.008624][ T1855] Modules linked in:
[ 44.012844][ T1855] CR2: 0000000000000004
[ 44.017152][ T1855] ---[ end trace 0000000000000000 ]---
[ 44.023181][ T1855] RIP: 0010:autofs_fill_super+0x153/0x2c0
[ 44.029135][ T1855] Code: 40 48 89 df be 02 00 00 00 e8 b9 25 e6 ff 48 c7 43 20 80 61 e4 81 48 c7 83 18 02 00 00 48 60 e4 81 48 89 6c 24 08 41 8b 45 00 <89> 43 04 41 8b 45 04 89 43 08 48 89 df e8 eb f9 e5 ff 48 85 c0 74
[ 44.049500][ T1855] RSP: 0018:ffffc90001977de8 EFLAGS: 00010246
[ 44.055980][ T1855] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 44.064704][ T1855] RDX: 0000000000000000 RSI: ffffffff820dbd67 RDI: ffffffff8210e835
[ 44.072731][ T1855] RBP: ffff888101e59e00 R08: 0000000000000000 R09: ffffffff824c1760
[ 44.080667][ T1855] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888105eb4000
[ 44.088691][ T1855] R13: ffff88810aa66c40 R14: 00000000fffffff4 R15: ffff88810a67a900
[ 44.096800][ T1855] FS: 00007f82b1bc36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
[ 44.105694][ T1855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 44.112338][ T1855] CR2: 0000000000000004 CR3: 0000000103edf000 CR4: 00000000003506f0
[ 44.120365][ T1855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 44.128302][ T1855] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 44.136499][ T1855] Kernel panic - not syncing: Fatal exception
[ 44.142988][ T1855] Kernel Offset: disabled
[ 44.147421][ T1855] Rebooting in 86400 seconds..