forked to background, child pid 964 Starting sshd: OK syzkaller syzkaller login: [ 25.804440][ T1062] cgroup: Unknown subsys name 'net' [ 25.926298][ T1062] cgroup: Unknown subsys name 'rlimit' [ 26.141881][ T1062] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 27.537756][ T1068] syz-executor.0 (1068) used greatest stack depth: 10792 bytes left Warning: Permanently added '10.128.10.1' (ED25519) to the list of known hosts. 2024/06/28 07:19:11 ignoring optional flag "sandboxArg"="0" 2024/06/28 07:19:11 parsed 1 programs 2024/06/28 07:19:11 executed programs: 0 [ 44.817563][ T1498] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.184670][ T1915] loop0: detected capacity change from 0 to 8192 [ 46.192470][ T1915] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.205772][ T1915] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 46.214896][ T1915] REISERFS (device loop0): using ordered data mode [ 46.221405][ T1915] reiserfs: using flush barriers [ 46.226643][ T1915] 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 [ 46.243185][ T1915] REISERFS (device loop0): checking transaction log (loop0) [ 46.259980][ T1915] REISERFS (device loop0): Using r5 hash to sort names [ 46.267167][ T1915] REISERFS (device loop0): using 3.5.x disk format [ 46.273977][ T1915] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 46.284247][ T1915] ------------[ cut here ]------------ [ 46.289751][ T1915] kernel BUG at fs/reiserfs/journal.c:505! [ 46.296059][ T1915] invalid opcode: 0000 [#1] PREEMPT SMP [ 46.301714][ T1915] CPU: 0 PID: 1915 Comm: syz-executor.0 Not tainted 6.1.96-syzkaller #0 [ 46.310020][ T1915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 46.320202][ T1915] RIP: 0010:reiserfs_in_journal+0x101/0x250 [ 46.326082][ T1915] Code: d1 31 f1 81 e1 ff 1f 00 00 48 8b 84 c8 d8 02 00 00 eb 04 48 8b 40 40 48 85 c0 74 10 8b 48 10 49 39 c8 75 ef 48 39 78 08 75 e9 <0f> 0b 48 8b 87 60 06 00 00 48 ff 80 e8 04 00 00 31 c0 e9 d4 00 00 [ 46.345943][ T1915] RSP: 0018:ffffc90002bef950 EFLAGS: 00010246 [ 46.351990][ T1915] RAX: ffffc90002c8b048 RBX: 0000000000001766 RCX: 0000000000000213 [ 46.360114][ T1915] RDX: 0000000001139ac0 RSI: 0000000000010da6 RDI: ffff888144e6b000 [ 46.368138][ T1915] RBP: ffff88810d9f5c00 R08: 0000000000000213 R09: 0000000000000001 [ 46.376073][ T1915] R10: ffff888108782800 R11: 0000000000000400 R12: 0000000000000400 [ 46.384004][ T1915] R13: ffff88810c586540 R14: ffffc90002bef9b4 R15: 0000000000000214 [ 46.392203][ T1915] FS: 00007fc4e2a016c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 [ 46.401256][ T1915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.407814][ T1915] CR2: 0000000020002c80 CR3: 000000010da13000 CR4: 00000000003506f0 [ 46.415768][ T1915] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.423920][ T1915] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.432134][ T1915] Call Trace: [ 46.435388][ T1915] [ 46.438309][ T1915] ? __die_body+0x5e/0xa0 [ 46.442703][ T1915] ? die+0x83/0xb0 [ 46.446399][ T1915] ? do_trap+0xa2/0x170 [ 46.450561][ T1915] ? reiserfs_in_journal+0x101/0x250 [ 46.455819][ T1915] ? reiserfs_in_journal+0x101/0x250 [ 46.461082][ T1915] ? handle_invalid_op+0x65/0x80 [ 46.466009][ T1915] ? reiserfs_in_journal+0x101/0x250 [ 46.471366][ T1915] ? exc_invalid_op+0x2f/0x40 [ 46.476019][ T1915] ? asm_exc_invalid_op+0x16/0x20 [ 46.481005][ T1915] ? reiserfs_in_journal+0x101/0x250 [ 46.486348][ T1915] scan_bitmap_block+0x101/0x3d0 [ 46.491273][ T1915] reiserfs_allocate_blocknrs+0x7d7/0xcd0 [ 46.497050][ T1915] reiserfs_get_block+0xb3c/0x1320 [ 46.502406][ T1915] __block_write_begin_int+0x155/0x690 [ 46.507851][ T1915] ? make_le_item_head+0x60/0x60 [ 46.512758][ T1915] reiserfs_write_begin+0x112/0x230 [ 46.517930][ T1915] generic_perform_write+0x9e/0x220 [ 46.523296][ T1915] __generic_file_write_iter+0x7f/0x140 [ 46.528813][ T1915] generic_file_write_iter+0x42/0xb0 [ 46.534069][ T1915] vfs_write+0x31f/0x3e0 [ 46.538305][ T1915] ksys_write+0x6c/0xd0 [ 46.542437][ T1915] do_syscall_64+0x3b/0x80 [ 46.546830][ T1915] ? clear_bhb_loop+0x45/0xa0 [ 46.551545][ T1915] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 46.557502][ T1915] RIP: 0033:0x7fc4e1c7cae9 [ 46.561920][ T1915] 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 [ 46.581686][ T1915] RSP: 002b:00007fc4e2a010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.590064][ T1915] RAX: ffffffffffffffda RBX: 00007fc4e1d9bf80 RCX: 00007fc4e1c7cae9 [ 46.598118][ T1915] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000007 [ 46.606066][ T1915] RBP: 00007fc4e1cc847a R08: 0000000000000000 R09: 0000000000000000 [ 46.614004][ T1915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.622135][ T1915] R13: 0000000000000006 R14: 00007fc4e1d9bf80 R15: 00007ffdc1ead378 [ 46.630178][ T1915] [ 46.633175][ T1915] Modules linked in: [ 46.637626][ T1915] ---[ end trace 0000000000000000 ]--- [ 46.643160][ T1915] RIP: 0010:reiserfs_in_journal+0x101/0x250 [ 46.649184][ T1915] Code: d1 31 f1 81 e1 ff 1f 00 00 48 8b 84 c8 d8 02 00 00 eb 04 48 8b 40 40 48 85 c0 74 10 8b 48 10 49 39 c8 75 ef 48 39 78 08 75 e9 <0f> 0b 48 8b 87 60 06 00 00 48 ff 80 e8 04 00 00 31 c0 e9 d4 00 00 [ 46.668776][ T1915] RSP: 0018:ffffc90002bef950 EFLAGS: 00010246 [ 46.675093][ T1915] RAX: ffffc90002c8b048 RBX: 0000000000001766 RCX: 0000000000000213 [ 46.683060][ T1915] RDX: 0000000001139ac0 RSI: 0000000000010da6 RDI: ffff888144e6b000 [ 46.691039][ T1915] RBP: ffff88810d9f5c00 R08: 0000000000000213 R09: 0000000000000001 [ 46.699106][ T1915] R10: ffff888108782800 R11: 0000000000000400 R12: 0000000000000400 [ 46.707100][ T1915] R13: ffff88810c586540 R14: ffffc90002bef9b4 R15: 0000000000000214 [ 46.715169][ T1915] FS: 00007fc4e2a016c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 [ 46.724072][ T1915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.730787][ T1915] CR2: 0000000020002c80 CR3: 000000010da13000 CR4: 00000000003506f0 [ 46.738798][ T1915] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.746853][ T1915] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.754973][ T1915] Kernel panic - not syncing: Fatal exception [ 46.761386][ T1915] Kernel Offset: disabled [ 46.765696][ T1915] Rebooting in 86400 seconds..