[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.711902] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 33.720580] REISERFS (device loop0): using ordered data mode [ 33.726559] reiserfs: using flush barriers [ 33.732254] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 33.748128] REISERFS (device loop0): checking transaction log (loop0) [ 33.801723] REISERFS (device loop0): Using r5 hash to sort names [ 33.808458] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. executing program [ 33.931827] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 33.941263] REISERFS (device loop0): using ordered data mode [ 33.947067] reiserfs: using flush barriers [ 33.955996] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 33.971748] REISERFS (device loop0): checking transaction log (loop0) executing program [ 34.024284] REISERFS (device loop0): Using r5 hash to sort names [ 34.030649] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 34.116005] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 34.124749] REISERFS (device loop0): using ordered data mode [ 34.130797] reiserfs: using flush barriers [ 34.136013] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 34.151774] REISERFS (device loop0): checking transaction log (loop0) [ 34.204476] REISERFS (device loop0): Using r5 hash to sort names [ 34.210836] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. executing program [ 34.305585] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 34.314347] REISERFS (device loop0): using ordered data mode [ 34.321977] reiserfs: using flush barriers [ 34.327580] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 34.343921] REISERFS (device loop0): checking transaction log (loop0) [ 34.396111] REISERFS (device loop0): Using r5 hash to sort names [ 34.402493] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. executing program [ 34.530082] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 34.539191] REISERFS (device loop0): using ordered data mode [ 34.545051] reiserfs: using flush barriers [ 34.551068] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 34.567024] REISERFS (device loop0): checking transaction log (loop0) [ 34.619810] REISERFS (device loop0): Using r5 hash to sort names [ 34.626162] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. executing program [ 34.741179] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 34.750297] REISERFS (device loop0): using ordered data mode [ 34.762756] reiserfs: using flush barriers [ 34.767606] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 34.783911] REISERFS (device loop0): checking transaction log (loop0) [ 34.837575] REISERFS (device loop0): Using r5 hash to sort names [ 34.843922] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. executing program [ 34.952571] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 34.961674] REISERFS (device loop0): using ordered data mode [ 34.969695] reiserfs: using flush barriers [ 34.975089] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 34.991122] REISERFS (device loop0): checking transaction log (loop0) [ 35.045134] REISERFS (device loop0): Using r5 hash to sort names [ 35.051506] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. executing program [ 35.168161] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 35.176893] REISERFS (device loop0): using ordered data mode [ 35.184338] reiserfs: using flush barriers [ 35.194021] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 35.210414] REISERFS (device loop0): checking transaction log (loop0) executing program [ 35.263494] REISERFS (device loop0): Using r5 hash to sort names [ 35.269834] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 35.361680] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 35.370679] REISERFS (device loop0): using ordered data mode [ 35.376763] reiserfs: using flush barriers [ 35.382281] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 35.397904] REISERFS (device loop0): checking transaction log (loop0) [ 35.451214] REISERFS (device loop0): Using r5 hash to sort names [ 35.457540] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. executing program [ 35.580982] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 35.591039] REISERFS (device loop0): using ordered data mode [ 35.597461] reiserfs: using flush barriers [ 35.604168] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 35.620373] REISERFS (device loop0): checking transaction log (loop0) [ 35.673494] REISERFS (device loop0): Using r5 hash to sort names [ 35.679890] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 35.703785] REISERFS panic (device loop0): vs-12195 balance_leaf: CFR not initialized [ 35.712512] ------------[ cut here ]------------ [ 35.717272] kernel BUG at fs/reiserfs/prints.c:390! [ 35.723209] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 35.728562] CPU: 0 PID: 8207 Comm: syz-executor868 Not tainted 4.19.211-syzkaller #0 [ 35.736418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.745761] RIP: 0010:__reiserfs_panic.cold+0x37/0x8a [ 35.750928] Code: 79 88 74 6d e8 f8 d1 6c f9 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 e0 33 2f 8d 48 c7 c7 a0 4e 79 88 e8 47 03 fe ff e8 d7 d1 6c f9 <0f> 0b e8 d0 d1 6c f9 4d 85 e4 49 c7 c6 e0 4c 79 88 75 0a 49 c7 c6 [ 35.769892] RSP: 0018:ffff88809337edd8 EFLAGS: 00010293 [ 35.775237] RAX: ffff88809be4a340 RBX: ffff8880aa6322c0 RCX: 0000000000000000 [ 35.782491] RDX: 0000000000000000 RSI: ffffffff87f5b399 RDI: ffffed101266fdad [ 35.789742] RBP: ffff88809337eea8 R08: 0000000000000049 R09: 0000000000000000 [ 35.796993] R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8878c6c0 [ 35.804241] R13: ffffffff8878cf80 R14: ffffffff88794ce0 R15: 0000000000000000 [ 35.811490] FS: 00007f80e95df700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 35.819692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.825550] CR2: 00007f4e978e9000 CR3: 000000009c82a000 CR4: 00000000003406f0 [ 35.832795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.840048] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.847294] Call Trace: [ 35.849862] ? reiserfs_debug+0x10/0x10 [ 35.853818] ? leaf_insert_into_buf+0x7fe/0xa30 [ 35.858476] balance_leaf+0xaeb3/0xca70 [ 35.862436] ? replace_key+0x160/0x160 [ 35.866300] do_balance+0x30a/0x760 [ 35.869909] ? get_right_neighbor_position+0x170/0x170 [ 35.875167] ? __mutex_unlock_slowpath+0xea/0x610 [ 35.879989] ? memset+0x20/0x40 [ 35.883248] reiserfs_insert_item+0xbf3/0x1010 [ 35.887809] ? reiserfs_paste_into_item+0x7d0/0x7d0 [ 35.892812] ? inode_get_bytes+0x1d/0xa0 [ 35.896850] ? do_raw_spin_unlock+0x171/0x230 [ 35.901321] ? _raw_spin_unlock+0x29/0x40 [ 35.905444] ? inode_get_bytes+0x7b/0xa0 [ 35.909483] reiserfs_new_inode+0xe51/0x2180 [ 35.913870] ? reiserfs_fh_to_parent+0x1b0/0x1b0 [ 35.918603] ? mutex_trylock+0x1a0/0x1a0 [ 35.922647] ? mutex_trylock+0x1a0/0x1a0 [ 35.926687] ? wait_for_completion_io+0x10/0x10 [ 35.931332] ? wait_for_completion_io+0x10/0x10 [ 35.935984] ? do_journal_begin_r+0xd10/0x10b0 [ 35.940555] ? dquot_initialize_needed+0x290/0x290 [ 35.945471] ? security_old_inode_init_security+0xf4/0x130 [ 35.951083] reiserfs_create+0x346/0x720 [ 35.955127] ? reiserfs_link+0x520/0x520 [ 35.959167] ? apparmor_path_mknod+0x16a/0x240 [ 35.963731] ? security_inode_permission+0xc5/0xf0 [ 35.968643] ? inode_permission.part.0+0x10c/0x450 [ 35.973554] ? reiserfs_link+0x520/0x520 [ 35.977601] lookup_open+0x893/0x1a20 [ 35.981380] ? vfs_mkdir+0x7a0/0x7a0 [ 35.985070] ? unlazy_walk+0x1a4/0x540 [ 35.988938] ? check_preemption_disabled+0x41/0x280 [ 35.993935] path_openat+0x1094/0x2df0 [ 35.997818] ? path_lookupat+0x8d0/0x8d0 [ 36.001856] ? mark_held_locks+0xf0/0xf0 [ 36.005901] do_filp_open+0x18c/0x3f0 [ 36.009680] ? may_open_dev+0xf0/0xf0 [ 36.013549] ? lock_downgrade+0x720/0x720 [ 36.017674] ? lock_acquire+0x170/0x3c0 [ 36.021624] ? __alloc_fd+0x34/0x570 [ 36.025322] ? do_raw_spin_unlock+0x171/0x230 [ 36.029796] ? _raw_spin_unlock+0x29/0x40 [ 36.034036] ? __alloc_fd+0x28d/0x570 [ 36.037840] do_sys_open+0x3b3/0x520 [ 36.041543] ? filp_open+0x70/0x70 [ 36.045162] ? check_preemption_disabled+0x41/0x280 [ 36.050170] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.055513] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.060509] ? do_syscall_64+0x21/0x620 [ 36.064464] do_syscall_64+0xf9/0x620 [ 36.068246] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.073418] RIP: 0033:0x7f80e96335a9 [ 36.077111] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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 b8 ff ff ff f7 d8 64 89 01 48 [ 36.095989] RSP: 002b:00007f80e95df2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 36.103676] RAX: ffffffffffffffda RBX: 00007f80e96b97a0 RCX: 00007f80e96335a9 [ 36.110922] RDX: 0000000000000241 RSI: 0000000020000000 RDI: 00000000ffffff9c [ 36.118173] RBP: 00007f80e96862b0 R08: 0000000000000000 R09: 0000000000000000 [ 36.125420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f80e96861b8 [ 36.132665] R13: 0030656c69662f2e R14: 7366726573696572 R15: 00007f80e96b97a8 [ 36.139918] Modules linked in: [ 36.148297] ---[ end trace 741c4c8c18ac03b4 ]--- [ 36.153114] RIP: 0010:__reiserfs_panic.cold+0x37/0x8a [ 36.159178] Code: 79 88 74 6d e8 f8 d1 6c f9 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 e0 33 2f 8d 48 c7 c7 a0 4e 79 88 e8 47 03 fe ff e8 d7 d1 6c f9 <0f> 0b e8 d0 d1 6c f9 4d 85 e4 49 c7 c6 e0 4c 79 88 75 0a 49 c7 c6 [ 36.178203] RSP: 0018:ffff88809337edd8 EFLAGS: 00010293 [ 36.183569] RAX: ffff88809be4a340 RBX: ffff8880aa6322c0 RCX: 0000000000000000 [ 36.190866] RDX: 0000000000000000 RSI: ffffffff87f5b399 RDI: ffffed101266fdad [ 36.198187] RBP: ffff88809337eea8 R08: 0000000000000049 R09: 0000000000000000 [ 36.205449] R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8878c6c0 [ 36.212737] R13: ffffffff8878cf80 R14: ffffffff88794ce0 R15: 0000000000000000 [ 36.220069] FS: 00007f80e95df700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.228328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.234210] CR2: 00007f80e9684758 CR3: 000000009c82a000 CR4: 00000000003406e0 [ 36.241525] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.248829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.256091] Kernel panic - not syncing: Fatal exception [ 36.261663] Kernel Offset: disabled [ 36.265271] Rebooting in 86400 seconds..