Warning: Permanently added '10.128.1.240' (ED25519) to the list of known hosts. 2026/01/14 04:48:08 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 52.039656][ T4133] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 53.224070][ T4169] veth0_vlan: entered promiscuous mode 2026/01/14 04:48:10 executed programs: 0 [ 53.660341][ T289] veth0_vlan: left promiscuous mode [ 54.245804][ T4413] veth0_vlan: entered promiscuous mode [ 54.423194][ T4604] syz.2.17[4604]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 54.446034][ T4604] loop2: detected capacity change from 0 to 8192 [ 54.454269][ T4604] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.467607][ T4604] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 54.476878][ T4604] REISERFS (device loop2): using ordered data mode [ 54.483427][ T4604] reiserfs: using flush barriers [ 54.488746][ T4604] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 54.505718][ T4604] REISERFS (device loop2): checking transaction log (loop2) [ 54.521196][ T4604] REISERFS (device loop2): Using tea hash to sort names [ 54.528241][ T4604] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 54.539451][ T4604] REISERFS warning (device loop2): vs-13060 reiserfs_update_sd_size: stat data of object [2 5 0x0 SD] (nlink == 1) not found (pos 2) [ 54.569079][ T4604] BUG: kernel NULL pointer dereference, address: 000000000000000c [ 54.577133][ T4604] #PF: supervisor write access in kernel mode [ 54.583166][ T4604] #PF: error_code(0x0002) - not-present page [ 54.589206][ T4604] PGD 10d090067 P4D 10d090067 PUD 0 [ 54.594545][ T4604] Oops: 0002 [#1] PREEMPT SMP [ 54.599286][ T4604] CPU: 1 PID: 4604 Comm: syz.2.17 Not tainted syzkaller #0 [ 54.606662][ T4604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 54.616696][ T4604] RIP: 0010:reiserfs_get_block+0x7fe/0x12a0 [ 54.622697][ T4604] Code: 00 83 f8 ff 0f 85 be 01 00 00 b8 02 00 00 00 e9 3a ff ff ff bd 01 00 00 00 4c 8d 6c 24 54 4c 39 f5 77 5d 8b 84 24 94 00 00 00 <41> 89 44 ad fc 48 8b 4b 38 48 8b 74 24 20 48 f7 06 10 00 00 00 75 [ 54.642354][ T4604] RSP: 0018:ffffc9000294ba18 EFLAGS: 00010297 [ 54.648471][ T4604] RAX: 0000000000000217 RBX: ffff88810f3d87a8 RCX: 000000000000000c [ 54.656418][ T4604] RDX: 2000000000000000 RSI: 0000000000000d40 RDI: 0000000000000000 [ 54.665056][ T4604] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000003db [ 54.673002][ T4604] R10: 0000000000000003 R11: 00000000000001e8 R12: ffff8881161d1048 [ 54.680959][ T4604] R13: 0000000000000010 R14: 00000000000003f4 R15: 0000000000001001 [ 54.688927][ T4604] FS: 00007f628ce6c6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 54.698306][ T4604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.704973][ T4604] CR2: 000000000000000c CR3: 000000010b188000 CR4: 00000000003506e0 [ 54.713104][ T4604] Call Trace: [ 54.716467][ T4604] [ 54.719471][ T4604] __block_write_begin_int+0x1f3/0x850 [ 54.725176][ T4604] ? make_le_item_head+0xa0/0xa0 [ 54.730102][ T4604] reiserfs_write_begin+0x10b/0x220 [ 54.735281][ T4604] generic_perform_write+0xa4/0x220 [ 54.740543][ T4604] generic_file_write_iter+0x47/0xc0 [ 54.745891][ T4604] do_iter_write+0x1e5/0x300 [ 54.750458][ T4604] vfs_writev+0x1b3/0x290 [ 54.754767][ T4604] __se_sys_pwritev2+0xad/0x110 [ 54.759709][ T4604] do_syscall_64+0x55/0xb0 [ 54.764198][ T4604] ? clear_bhb_loop+0x40/0x90 [ 54.769025][ T4604] ? clear_bhb_loop+0x40/0x90 [ 54.773679][ T4604] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.779731][ T4604] RIP: 0033:0x7f628bf8f749 [ 54.784210][ T4604] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 54.804320][ T4604] RSP: 002b:00007f628ce6c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 54.812800][ T4604] RAX: ffffffffffffffda RBX: 00007f628c1e5fa0 RCX: 00007f628bf8f749 [ 54.820848][ T4604] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000006 [ 54.828886][ T4604] RBP: 00007f628c013f91 R08: 0000000000000000 R09: 0000000000000000 [ 54.836863][ T4604] R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000000 [ 54.844815][ T4604] R13: 00007f628c1e6038 R14: 00007f628c1e5fa0 R15: 00007ffcaa53ca18 [ 54.852771][ T4604] [ 54.855774][ T4604] Modules linked in: [ 54.859653][ T4604] CR2: 000000000000000c [ 54.863784][ T4604] ---[ end trace 0000000000000000 ]--- [ 54.869217][ T4604] RIP: 0010:reiserfs_get_block+0x7fe/0x12a0 [ 54.875089][ T4604] Code: 00 83 f8 ff 0f 85 be 01 00 00 b8 02 00 00 00 e9 3a ff ff ff bd 01 00 00 00 4c 8d 6c 24 54 4c 39 f5 77 5d 8b 84 24 94 00 00 00 <41> 89 44 ad fc 48 8b 4b 38 48 8b 74 24 20 48 f7 06 10 00 00 00 75 [ 54.894670][ T4604] RSP: 0018:ffffc9000294ba18 EFLAGS: 00010297 [ 54.900715][ T4604] RAX: 0000000000000217 RBX: ffff88810f3d87a8 RCX: 000000000000000c [ 54.908667][ T4604] RDX: 2000000000000000 RSI: 0000000000000d40 RDI: 0000000000000000 [ 54.916799][ T4604] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000003db [ 54.924926][ T4604] R10: 0000000000000003 R11: 00000000000001e8 R12: ffff8881161d1048 [ 54.933010][ T4604] R13: 0000000000000010 R14: 00000000000003f4 R15: 0000000000001001 [ 54.940963][ T4604] FS: 00007f628ce6c6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 54.949870][ T4604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.956435][ T4604] CR2: 000000000000000c CR3: 000000010b188000 CR4: 00000000003506e0 [ 54.964569][ T4604] Kernel panic - not syncing: Fatal exception [ 54.971098][ T4604] Kernel Offset: disabled [ 54.975431][ T4604] Rebooting in 86400 seconds..