forked to background, child pid 960 Starting sshd: OK syzkaller syzkaller login: [ 26.973027][ T1058] cgroup: Unknown subsys name 'net' [ 27.120710][ T1058] cgroup: Unknown subsys name 'rlimit' [ 27.288294][ T1058] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 28.658962][ T1064] syz-executor.0 (1064) used greatest stack depth: 10856 bytes left Warning: Permanently added '10.128.0.114' (ED25519) to the list of known hosts. 2024/06/14 09:02:00 ignoring optional flag "sandboxArg"="0" 2024/06/14 09:02:00 parsed 1 programs 2024/06/14 09:02:01 executed programs: 0 [ 46.091693][ T1494] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 47.542351][ T1911] loop0: detected capacity change from 0 to 8192 [ 47.549621][ T1911] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 47.562583][ T1911] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 47.571718][ T1911] REISERFS (device loop0): using ordered data mode [ 47.578380][ T1911] reiserfs: using flush barriers [ 47.583892][ T1911] 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 [ 47.600354][ T1911] REISERFS (device loop0): checking transaction log (loop0) [ 47.608208][ T1911] REISERFS (device loop0): Using rupasov hash to sort names [ 47.615771][ T1911] REISERFS (device loop0): using 3.5.x disk format [ 47.622522][ T1911] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 47.634797][ T1500] REISERFS panic (device loop0): journal-2332 do_journal_end: Trying to log block 531, which is a log block [ 47.646647][ T1500] ------------[ cut here ]------------ [ 47.652260][ T1500] kernel BUG at fs/reiserfs/prints.c:390! [ 47.658254][ T1500] invalid opcode: 0000 [#1] PREEMPT SMP [ 47.663797][ T1500] CPU: 0 PID: 1500 Comm: syz-executor.0 Not tainted 6.1.93-syzkaller #0 [ 47.672082][ T1500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 47.682108][ T1500] RIP: 0010:__reiserfs_panic+0xc5/0xd0 [ 47.687539][ T1500] Code: 0f 44 d8 48 c7 c1 ed bc 15 83 48 0f 44 c8 48 c7 c7 12 f6 fe 82 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 a0 8b b8 84 e8 c2 99 01 01 <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 83 [ 47.707245][ T1500] RSP: 0018:ffffc900013fbc50 EFLAGS: 00010246 [ 47.713276][ T1500] RAX: 0000000000000069 RBX: ffffffff82ff16f7 RCX: dd23e7d304c46500 [ 47.721242][ T1500] RDX: ffff88813bc26f40 RSI: ffffffff830dc9ca RDI: 00000000ffffffff [ 47.729357][ T1500] RBP: ffffc900013fbcd0 R08: 0000000000000000 R09: ffffffff834c1120 [ 47.737468][ T1500] R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff88810df49000 [ 47.745411][ T1500] R13: 0000000000000001 R14: ffffffff82ff16d0 R15: ffff88810df49690 [ 47.753359][ T1500] FS: 0000555555665480(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 [ 47.762419][ T1500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.769053][ T1500] CR2: 000055555566e818 CR3: 000000010de68000 CR4: 00000000003506f0 [ 47.777075][ T1500] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.785009][ T1500] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.793377][ T1500] Call Trace: [ 47.796626][ T1500] [ 47.799525][ T1500] ? __die_body+0x5e/0xa0 [ 47.803826][ T1500] ? die+0x83/0xb0 [ 47.807518][ T1500] ? do_trap+0xa2/0x170 [ 47.811637][ T1500] ? __reiserfs_panic+0xc5/0xd0 [ 47.816451][ T1500] ? __reiserfs_panic+0xc5/0xd0 [ 47.821284][ T1500] ? handle_invalid_op+0x65/0x80 [ 47.826208][ T1500] ? __reiserfs_panic+0xc5/0xd0 [ 47.831018][ T1500] ? exc_invalid_op+0x2f/0x40 [ 47.835721][ T1500] ? asm_exc_invalid_op+0x16/0x20 [ 47.840791][ T1500] ? __reiserfs_panic+0xc5/0xd0 [ 47.845602][ T1500] do_journal_end+0x1001/0x1070 [ 47.850416][ T1500] reiserfs_sync_fs+0x82/0xc0 [ 47.855081][ T1500] sync_filesystem+0x34/0x80 [ 47.859637][ T1500] generic_shutdown_super+0x21/0x130 [ 47.864890][ T1500] kill_block_super+0x1c/0x40 [ 47.869533][ T1500] deactivate_locked_super+0x26/0x80 [ 47.874793][ T1500] cleanup_mnt+0xf5/0x140 [ 47.879092][ T1500] task_work_run+0x79/0xa0 [ 47.883478][ T1500] exit_to_user_mode_loop+0xa9/0xc0 [ 47.888641][ T1500] exit_to_user_mode_prepare+0x64/0xd0 [ 47.894152][ T1500] syscall_exit_to_user_mode+0x28/0x1f0 [ 47.900004][ T1500] do_syscall_64+0x47/0x80 [ 47.904378][ T1500] ? clear_bhb_loop+0x45/0xa0 [ 47.909103][ T1500] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 47.914958][ T1500] RIP: 0033:0x7f1a74e7de17 [ 47.919347][ T1500] Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 [ 47.939010][ T1500] RSP: 002b:00007fff21c7ac28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.947380][ T1500] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1a74e7de17 [ 47.955314][ T1500] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007fff21c7ace0 [ 47.963597][ T1500] RBP: 00007fff21c7ace0 R08: 0000000000000000 R09: 0000000000000000 [ 47.971543][ T1500] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff21c7bda0 [ 47.979651][ T1500] R13: 00007f1a74ec73b9 R14: 000000000000b986 R15: 0000000000000001 [ 47.987672][ T1500] [ 47.990667][ T1500] Modules linked in: [ 47.995029][ T1500] ---[ end trace 0000000000000000 ]--- [ 48.000509][ T1500] RIP: 0010:__reiserfs_panic+0xc5/0xd0 [ 48.005946][ T1500] Code: 0f 44 d8 48 c7 c1 ed bc 15 83 48 0f 44 c8 48 c7 c7 12 f6 fe 82 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 a0 8b b8 84 e8 c2 99 01 01 <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 83 [ 48.026168][ T1500] RSP: 0018:ffffc900013fbc50 EFLAGS: 00010246 [ 48.032272][ T1500] RAX: 0000000000000069 RBX: ffffffff82ff16f7 RCX: dd23e7d304c46500 [ 48.040286][ T1500] RDX: ffff88813bc26f40 RSI: ffffffff830dc9ca RDI: 00000000ffffffff [ 48.048417][ T1500] RBP: ffffc900013fbcd0 R08: 0000000000000000 R09: ffffffff834c1120 [ 48.056384][ T1500] R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff88810df49000 [ 48.064515][ T1500] R13: 0000000000000001 R14: ffffffff82ff16d0 R15: ffff88810df49690 [ 48.072479][ T1500] FS: 0000555555665480(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 48.081622][ T1500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.088450][ T1500] CR2: 00007fafd0595ed8 CR3: 000000010de68000 CR4: 00000000003506e0 [ 48.096797][ T1500] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.104849][ T1500] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.112895][ T1500] Kernel panic - not syncing: Fatal exception [ 48.119180][ T1500] Kernel Offset: disabled [ 48.123469][ T1500] Rebooting in 86400 seconds..