Warning: Permanently added '10.128.1.93' (ECDSA) to the list of known hosts. syzkaller login: [ 46.948868] IPVS: ftp: loaded support on port[0] = 21 [ 46.989050] IPVS: ftp: loaded support on port[0] = 21 [ 47.019022] FAULT_INJECTION: forcing a failure. [ 47.019022] name failslab, interval 1, probability 0, space 0, times 1 [ 47.045055] CPU: 0 PID: 8024 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 47.052983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 47.062425] Call Trace: [ 47.065029] dump_stack+0x1b2/0x281 [ 47.068678] should_fail.cold+0x10a/0x149 [ 47.072844] should_failslab+0xd6/0x130 [ 47.076838] kmem_cache_alloc+0x28e/0x3c0 [ 47.081034] alloc_buffer_head+0x20/0x110 [ 47.085198] alloc_page_buffers+0xb3/0x1f0 [ 47.089469] __getblk_slow+0x2d6/0x7a0 [ 47.093373] ? vfat_create+0x330/0x330 [ 47.097142] FAULT_INJECTION: forcing a failure. [ 47.097142] name failslab, interval 1, probability 0, space 0, times 1 [ 47.097277] __bread_gfp+0x206/0x2e0 [ 47.112160] fat_fill_super+0x2f9/0x31b0 [ 47.116232] ? vsnprintf+0x260/0x1340 [ 47.120050] ? fat_write_end+0x280/0x280 [ 47.124125] ? lock_downgrade+0x740/0x740 [ 47.128274] ? snprintf+0xa5/0xd0 [ 47.131727] ? vsprintf+0x30/0x30 [ 47.135175] ? ns_test_super+0x50/0x50 [ 47.139057] ? set_blocksize+0x125/0x380 [ 47.143115] mount_bdev+0x2b3/0x360 [ 47.146733] ? msdos_mount+0x40/0x40 [ 47.150452] mount_fs+0x92/0x2a0 [ 47.153821] vfs_kern_mount.part.0+0x5b/0x470 [ 47.158317] do_mount+0xe65/0x2a30 [ 47.161858] ? copy_mount_string+0x40/0x40 [ 47.166084] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 47.171096] ? copy_mnt_ns+0xa30/0xa30 [ 47.174977] ? copy_mount_options+0x1fa/0x2f0 [ 47.179470] ? copy_mnt_ns+0xa30/0xa30 [ 47.183357] SyS_mount+0xa8/0x120 [ 47.186809] ? copy_mnt_ns+0xa30/0xa30 [ 47.190687] do_syscall_64+0x1d5/0x640 [ 47.194572] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 47.199756] RIP: 0033:0x7fcbff06821a [ 47.203458] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 47.211178] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 47.218439] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 47.225701] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 47.232962] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 47.240222] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 47.247932] CPU: 1 PID: 8046 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 47.252997] IPVS: ftp: loaded support on port[0] = 21 [ 47.255824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 47.255828] Call Trace: [ 47.255844] dump_stack+0x1b2/0x281 [ 47.255859] should_fail.cold+0x10a/0x149 [ 47.255873] should_failslab+0xd6/0x130 [ 47.255887] kmem_cache_alloc_trace+0x29a/0x3d0 [ 47.255897] ? set_precision+0x150/0x150 [ 47.255906] ? vfat_create+0x330/0x330 [ 47.255920] fat_fill_super+0xb9/0x31b0 [ 47.255932] ? vsnprintf+0x260/0x1340 [ 47.255948] ? fat_write_end+0x280/0x280 [ 47.255961] ? lock_downgrade+0x740/0x740 [ 47.255973] ? snprintf+0xa5/0xd0 [ 47.255982] ? vsprintf+0x30/0x30 [ 47.255995] ? ns_test_super+0x50/0x50 [ 47.256008] ? set_blocksize+0x125/0x380 [ 47.256022] mount_bdev+0x2b3/0x360 [ 47.256029] ? msdos_mount+0x40/0x40 [ 47.256040] mount_fs+0x92/0x2a0 [ 47.339147] vfs_kern_mount.part.0+0x5b/0x470 [ 47.343665] do_mount+0xe65/0x2a30 [ 47.347215] ? do_raw_spin_unlock+0x164/0x220 [ 47.351728] ? copy_mount_string+0x40/0x40 [ 47.356088] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 47.361131] ? copy_mnt_ns+0xa30/0xa30 [ 47.365042] ? copy_mount_options+0x1fa/0x2f0 [ 47.369557] ? copy_mnt_ns+0xa30/0xa30 [ 47.373466] SyS_mount+0xa8/0x120 [ 47.376941] ? copy_mnt_ns+0xa30/0xa30 [ 47.380856] do_syscall_64+0x1d5/0x640 [ 47.384767] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 47.389971] RIP: 0033:0x7fcbff06821a [ 47.393694] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 47.401413] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 47.408779] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 47.416240] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 47.424021] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 47.431277] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 47.501077] IPVS: ftp: loaded support on port[0] = 21 [ 47.539528] FAULT_INJECTION: forcing a failure. [ 47.539528] name failslab, interval 1, probability 0, space 0, times 0 [ 47.556570] FAULT_INJECTION: forcing a failure. [ 47.556570] name failslab, interval 1, probability 0, space 0, times 0 [ 47.576713] FAULT_INJECTION: forcing a failure. [ 47.576713] name failslab, interval 1, probability 0, space 0, times 0 [ 47.590776] CPU: 1 PID: 8076 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 47.598698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 47.608067] Call Trace: [ 47.610677] dump_stack+0x1b2/0x281 [ 47.614323] should_fail.cold+0x10a/0x149 [ 47.618491] should_failslab+0xd6/0x130 [ 47.622487] __kmalloc+0x2c1/0x400 [ 47.626049] ? __list_lru_init+0x67/0x710 [ 47.630225] __list_lru_init+0x67/0x710 [ 47.634223] sget_userns+0x4e4/0xc10 [ 47.637955] ? set_bdev_super+0x110/0x110 [ 47.642122] ? ns_test_super+0x50/0x50 [ 47.646020] ? set_bdev_super+0x110/0x110 [ 47.650180] ? ns_test_super+0x50/0x50 [ 47.654082] sget+0xd1/0x110 [ 47.657107] mount_bdev+0xcd/0x360 [ 47.660653] ? msdos_mount+0x40/0x40 [ 47.664378] mount_fs+0x92/0x2a0 [ 47.667753] vfs_kern_mount.part.0+0x5b/0x470 [ 47.672261] do_mount+0xe65/0x2a30 [ 47.675996] ? do_raw_spin_unlock+0x164/0x220 [ 47.680503] ? copy_mount_string+0x40/0x40 [ 47.684748] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 47.689781] ? copy_mnt_ns+0xa30/0xa30 [ 47.693684] ? copy_mount_options+0x1fa/0x2f0 [ 47.698192] ? copy_mnt_ns+0xa30/0xa30 [ 47.702093] SyS_mount+0xa8/0x120 [ 47.705552] ? copy_mnt_ns+0xa30/0xa30 [ 47.709452] do_syscall_64+0x1d5/0x640 [ 47.713352] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 47.718557] RIP: 0033:0x7fcbff06821a [ 47.722276] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 47.730264] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 47.737553] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 47.744840] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 47.752123] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 47.756290] FAULT_INJECTION: forcing a failure. [ 47.756290] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 47.759422] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 47.764334] IPVS: ftp: loaded support on port[0] = 21 [ 47.771325] CPU: 0 PID: 8111 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 47.771332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 47.771336] Call Trace: [ 47.771352] dump_stack+0x1b2/0x281 [ 47.771367] should_fail.cold+0x10a/0x149 [ 47.771383] __alloc_pages_nodemask+0x21e/0x2900 [ 47.771402] ? __lock_acquire+0x5fc/0x3f20 [ 47.771416] ? __lock_acquire+0x5fc/0x3f20 [ 47.824631] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.829469] ? blkdev_get+0x484/0x890 [ 47.833263] ? blkdev_get+0x484/0x890 [ 47.837055] ? trace_hardirqs_on+0x10/0x10 [ 47.841289] cache_grow_begin+0x91/0x700 [ 47.845345] ? fs_reclaim_release+0xd0/0x110 [ 47.849757] ? check_preemption_disabled+0x35/0x240 [ 47.854789] cache_alloc_refill+0x273/0x350 [ 47.859104] kmem_cache_alloc_trace+0x340/0x3d0 [ 47.863850] ? set_bdev_super+0x110/0x110 [ 47.867986] sget_userns+0x102/0xc10 [ 47.871693] ? set_bdev_super+0x110/0x110 [ 47.875835] ? ns_test_super+0x50/0x50 [ 47.879717] ? set_bdev_super+0x110/0x110 [ 47.883855] ? ns_test_super+0x50/0x50 [ 47.887736] sget+0xd1/0x110 [ 47.890749] mount_bdev+0xcd/0x360 [ 47.894282] ? msdos_mount+0x40/0x40 [ 47.897990] mount_fs+0x92/0x2a0 [ 47.901437] vfs_kern_mount.part.0+0x5b/0x470 [ 47.905934] do_mount+0xe65/0x2a30 [ 47.909477] ? do_raw_spin_unlock+0x164/0x220 [ 47.913962] ? copy_mount_string+0x40/0x40 [ 47.918187] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 47.923194] ? copy_mnt_ns+0xa30/0xa30 [ 47.927075] ? copy_mount_options+0x1fa/0x2f0 [ 47.931599] ? copy_mnt_ns+0xa30/0xa30 [ 47.935479] SyS_mount+0xa8/0x120 [ 47.938919] ? copy_mnt_ns+0xa30/0xa30 [ 47.942799] do_syscall_64+0x1d5/0x640 [ 47.946783] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 47.951963] RIP: 0033:0x7fcbff06821a [ 47.955662] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 47.963380] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 47.970652] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 47.977913] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 47.985172] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 47.992433] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 47.999706] CPU: 1 PID: 8077 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 48.007600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 48.016947] Call Trace: [ 48.019532] dump_stack+0x1b2/0x281 [ 48.023150] should_fail.cold+0x10a/0x149 [ 48.027293] should_failslab+0xd6/0x130 [ 48.031259] __kmalloc+0x2c1/0x400 [ 48.034820] ? __list_lru_init+0x67/0x710 [ 48.038961] __list_lru_init+0x67/0x710 [ 48.042931] sget_userns+0x4e4/0xc10 [ 48.046634] ? set_bdev_super+0x110/0x110 [ 48.050777] ? ns_test_super+0x50/0x50 [ 48.054658] ? set_bdev_super+0x110/0x110 [ 48.058794] ? ns_test_super+0x50/0x50 [ 48.062670] sget+0xd1/0x110 [ 48.065681] mount_bdev+0xcd/0x360 [ 48.069208] ? msdos_mount+0x40/0x40 [ 48.072910] mount_fs+0x92/0x2a0 [ 48.076270] vfs_kern_mount.part.0+0x5b/0x470 [ 48.080755] do_mount+0xe65/0x2a30 [ 48.084298] ? do_raw_spin_unlock+0x164/0x220 [ 48.088788] ? copy_mount_string+0x40/0x40 [ 48.093015] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 48.098027] ? copy_mnt_ns+0xa30/0xa30 [ 48.101909] ? copy_mount_options+0x1fa/0x2f0 [ 48.106440] ? copy_mnt_ns+0xa30/0xa30 [ 48.110323] SyS_mount+0xa8/0x120 [ 48.113768] ? copy_mnt_ns+0xa30/0xa30 [ 48.117649] do_syscall_64+0x1d5/0x640 [ 48.121536] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 48.126720] RIP: 0033:0x7fcbff06821a [ 48.130440] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 48.138223] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 48.145486] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 48.152747] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 48.160006] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 48.167267] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 48.184532] CPU: 1 PID: 8085 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 48.192456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 48.201821] Call Trace: [ 48.204424] dump_stack+0x1b2/0x281 [ 48.208077] should_fail.cold+0x10a/0x149 [ 48.212253] should_failslab+0xd6/0x130 [ 48.216251] kmem_cache_alloc+0x28e/0x3c0 [ 48.220415] alloc_buffer_head+0x20/0x110 [ 48.224583] alloc_page_buffers+0xb3/0x1f0 [ 48.228847] __getblk_slow+0x2d6/0x7a0 [ 48.232762] ? vfat_create+0x330/0x330 [ 48.236695] __bread_gfp+0x206/0x2e0 [ 48.240433] fat_fill_super+0x2f9/0x31b0 [ 48.244521] ? vsnprintf+0x260/0x1340 [ 48.248354] ? fat_write_end+0x280/0x280 [ 48.252433] ? lock_downgrade+0x740/0x740 [ 48.256598] ? snprintf+0xa5/0xd0 [ 48.260061] ? vsprintf+0x30/0x30 [ 48.263541] ? ns_test_super+0x50/0x50 [ 48.267445] ? set_blocksize+0x125/0x380 [ 48.271532] mount_bdev+0x2b3/0x360 [ 48.275200] ? msdos_mount+0x40/0x40 [ 48.278942] mount_fs+0x92/0x2a0 [ 48.282324] vfs_kern_mount.part.0+0x5b/0x470 [ 48.286859] do_mount+0xe65/0x2a30 [ 48.290408] ? copy_mount_string+0x40/0x40 [ 48.294647] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 48.299653] ? copy_mnt_ns+0xa30/0xa30 [ 48.303531] ? copy_mount_options+0x1fa/0x2f0 [ 48.308032] ? copy_mnt_ns+0xa30/0xa30 [ 48.311908] SyS_mount+0xa8/0x120 [ 48.315347] ? copy_mnt_ns+0xa30/0xa30 [ 48.319230] do_syscall_64+0x1d5/0x640 [ 48.323112] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 48.328297] RIP: 0033:0x7fcbff06821a [ 48.332027] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 48.339725] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 48.346985] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 48.354278] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 48.361536] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 48.368795] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 48.486643] FAULT_INJECTION: forcing a failure. [ 48.486643] name failslab, interval 1, probability 0, space 0, times 0 [ 48.494925] FAULT_INJECTION: forcing a failure. [ 48.494925] name failslab, interval 1, probability 0, space 0, times 0 [ 48.502547] FAULT_INJECTION: forcing a failure. [ 48.502547] name failslab, interval 1, probability 0, space 0, times 0 [ 48.528784] CPU: 1 PID: 8134 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 48.536714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 48.546074] Call Trace: [ 48.548665] dump_stack+0x1b2/0x281 [ 48.552291] should_fail.cold+0x10a/0x149 [ 48.556434] should_failslab+0xd6/0x130 [ 48.560406] kmem_cache_alloc+0x28e/0x3c0 [ 48.564546] alloc_buffer_head+0x20/0x110 [ 48.568689] alloc_page_buffers+0xb3/0x1f0 [ 48.572916] __getblk_slow+0x2d6/0x7a0 [ 48.576803] ? vfat_create+0x330/0x330 [ 48.580682] __bread_gfp+0x206/0x2e0 [ 48.584392] fat_fill_super+0x2f9/0x31b0 [ 48.588449] ? vsnprintf+0x260/0x1340 [ 48.592260] ? fat_write_end+0x280/0x280 [ 48.596316] ? lock_downgrade+0x740/0x740 [ 48.600464] ? snprintf+0xa5/0xd0 [ 48.603917] ? vsprintf+0x30/0x30 [ 48.607364] ? ns_test_super+0x50/0x50 [ 48.611244] ? set_blocksize+0x125/0x380 [ 48.615303] mount_bdev+0x2b3/0x360 [ 48.618920] ? msdos_mount+0x40/0x40 [ 48.622629] mount_fs+0x92/0x2a0 [ 48.626002] vfs_kern_mount.part.0+0x5b/0x470 [ 48.630492] do_mount+0xe65/0x2a30 [ 48.634034] ? do_raw_spin_unlock+0x164/0x220 [ 48.638632] ? copy_mount_string+0x40/0x40 [ 48.638990] IPVS: ftp: loaded support on port[0] = 21 [ 48.642873] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 48.653061] ? copy_mnt_ns+0xa30/0xa30 [ 48.656950] ? copy_mount_options+0x1fa/0x2f0 [ 48.661457] ? copy_mnt_ns+0xa30/0xa30 [ 48.665358] SyS_mount+0xa8/0x120 [ 48.668816] ? copy_mnt_ns+0xa30/0xa30 [ 48.672699] do_syscall_64+0x1d5/0x640 [ 48.676587] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 48.681768] RIP: 0033:0x7fcbff06821a [ 48.685468] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 48.693166] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 48.700554] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 48.707826] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 48.715101] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 48.722370] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 48.729692] CPU: 0 PID: 8133 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 48.737601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 48.746959] Call Trace: [ 48.749572] dump_stack+0x1b2/0x281 [ 48.753219] should_fail.cold+0x10a/0x149 [ 48.757358] should_failslab+0xd6/0x130 [ 48.761324] __kmalloc+0x2c1/0x400 [ 48.764847] ? register_shrinker+0x1ab/0x220 [ 48.769252] register_shrinker+0x1ab/0x220 [ 48.773472] sget_userns+0x9aa/0xc10 [ 48.777177] ? set_bdev_super+0x110/0x110 [ 48.781328] ? ns_test_super+0x50/0x50 [ 48.785205] ? set_bdev_super+0x110/0x110 [ 48.789364] ? ns_test_super+0x50/0x50 [ 48.793233] sget+0xd1/0x110 [ 48.796247] mount_bdev+0xcd/0x360 [ 48.799769] ? msdos_mount+0x40/0x40 [ 48.803467] mount_fs+0x92/0x2a0 [ 48.806822] vfs_kern_mount.part.0+0x5b/0x470 [ 48.811303] do_mount+0xe65/0x2a30 [ 48.814834] ? copy_mount_string+0x40/0x40 [ 48.819054] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 48.824063] ? copy_mnt_ns+0xa30/0xa30 [ 48.827938] ? copy_mount_options+0x1fa/0x2f0 [ 48.832416] ? copy_mnt_ns+0xa30/0xa30 [ 48.836290] SyS_mount+0xa8/0x120 [ 48.839728] ? copy_mnt_ns+0xa30/0xa30 [ 48.843600] do_syscall_64+0x1d5/0x640 [ 48.847489] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 48.852667] RIP: 0033:0x7fcbff06821a [ 48.856361] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 48.864061] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 48.871317] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 48.878573] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 48.885915] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 48.893168] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 48.901664] CPU: 0 PID: 8131 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 48.909572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 48.918934] Call Trace: [ 48.921548] dump_stack+0x1b2/0x281 [ 48.922651] ------------[ cut here ]------------ [ 48.925186] should_fail.cold+0x10a/0x149 [ 48.929938] WARNING: CPU: 1 PID: 8133 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 48.934069] should_failslab+0xd6/0x130 [ 48.941842] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 48.941842] [ 48.945810] __kmalloc+0x2c1/0x400 [ 48.957367] ? __list_lru_init+0x67/0x710 [ 48.961510] __list_lru_init+0x67/0x710 [ 48.965480] sget_userns+0x4e4/0xc10 [ 48.969195] ? set_bdev_super+0x110/0x110 [ 48.973472] ? ns_test_super+0x50/0x50 [ 48.977354] ? set_bdev_super+0x110/0x110 [ 48.981495] ? ns_test_super+0x50/0x50 [ 48.985491] sget+0xd1/0x110 [ 48.988521] mount_bdev+0xcd/0x360 [ 48.992051] ? msdos_mount+0x40/0x40 [ 48.995758] mount_fs+0x92/0x2a0 [ 48.999120] vfs_kern_mount.part.0+0x5b/0x470 [ 49.003606] do_mount+0xe65/0x2a30 [ 49.007143] ? copy_mount_string+0x40/0x40 [ 49.011372] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 49.016379] ? copy_mnt_ns+0xa30/0xa30 [ 49.020259] ? copy_mount_options+0x1fa/0x2f0 [ 49.024746] ? copy_mnt_ns+0xa30/0xa30 [ 49.028624] SyS_mount+0xa8/0x120 [ 49.032069] ? copy_mnt_ns+0xa30/0xa30 [ 49.035949] do_syscall_64+0x1d5/0x640 [ 49.039836] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 49.045017] RIP: 0033:0x7fcbff06821a [ 49.048719] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 49.056420] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 49.063678] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 49.070933] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 49.078196] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 49.085473] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 49.092747] CPU: 1 PID: 8133 Comm: syz-executor313 Not tainted 4.14.305-syzkaller #0 [ 49.100639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 49.109998] Call Trace: [ 49.112606] dump_stack+0x1b2/0x281 [ 49.116250] panic+0x21d/0x451 [ 49.119453] ? add_taint.cold+0x16/0x16 [ 49.123435] ? log_store.cold+0x16/0x16 [ 49.127422] ? kill_block_super+0xbe/0xe0 [ 49.131585] check_panic_on_warn.cold+0x19/0x35 [ 49.136266] __warn+0xdf/0x1e0 [ 49.139473] ? ist_end_non_atomic+0x10/0x10 [ 49.143822] ? kill_block_super+0xbe/0xe0 [ 49.148015] report_bug+0x208/0x250 [ 49.151691] do_error_trap+0x195/0x2d0 [ 49.155599] ? math_error+0x2d0/0x2d0 [ 49.159414] ? retint_kernel+0x2d/0x2d [ 49.163322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.168176] invalid_op+0x1b/0x40 [ 49.171630] RIP: 0010:kill_block_super+0xbe/0xe0 [ 49.176371] RSP: 0018:ffff88809c6f7bc8 EFLAGS: 00010297 [ 49.181724] RAX: ffff8880aefd4080 RBX: 0000000000000000 RCX: 1ffff11015dfa926 [ 49.188982] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880902e6d30 [ 49.196249] RBP: ffff88809420e3c0 R08: ffffffff8b9c15a0 R09: 0000000000000001 [ 49.203507] R10: 0000000000000000 R11: ffff8880aefd4080 R12: ffff8880902e6880 [ 49.210766] R13: ffffffff890aee50 R14: ffffffff88f46340 R15: dffffc0000000000 [ 49.218040] ? kill_block_super+0xbe/0xe0 [ 49.222204] deactivate_locked_super+0x6c/0xd0 [ 49.226788] sget_userns+0x9c4/0xc10 [ 49.230492] ? set_bdev_super+0x110/0x110 [ 49.234632] ? ns_test_super+0x50/0x50 [ 49.238511] ? set_bdev_super+0x110/0x110 [ 49.242654] ? ns_test_super+0x50/0x50 [ 49.246546] sget+0xd1/0x110 [ 49.249561] mount_bdev+0xcd/0x360 [ 49.253094] ? msdos_mount+0x40/0x40 [ 49.256800] mount_fs+0x92/0x2a0 [ 49.260160] vfs_kern_mount.part.0+0x5b/0x470 [ 49.264747] do_mount+0xe65/0x2a30 [ 49.268287] ? copy_mount_string+0x40/0x40 [ 49.272514] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 49.277522] ? copy_mnt_ns+0xa30/0xa30 [ 49.281402] ? copy_mount_options+0x1fa/0x2f0 [ 49.285894] ? copy_mnt_ns+0xa30/0xa30 [ 49.289785] SyS_mount+0xa8/0x120 [ 49.293231] ? copy_mnt_ns+0xa30/0xa30 [ 49.297114] do_syscall_64+0x1d5/0x640 [ 49.301004] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 49.306194] RIP: 0033:0x7fcbff06821a [ 49.309896] RSP: 002b:00007ffff1344938 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 49.317599] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcbff06821a [ 49.324870] RDX: 0000000020000240 RSI: 0000000020000280 RDI: 00007ffff1344950 [ 49.332147] RBP: 00007ffff1344950 R08: 00007ffff1344990 R09: 0000000000000228 [ 49.339411] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000005 [ 49.346671] R13: 00005555567b42c0 R14: 0000000000000000 R15: 00007ffff1344990 [ 49.354537] Kernel Offset: disabled [ 49.358237] Rebooting in 86400 seconds..