Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 108.172999] audit: type=1400 audit(1601926788.750:8): avc: denied { execmem } for pid=6500 comm="syz-executor804" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 108.203880] REISERFS (device loop0): found reiserfs format "3.5" with standard journal [ 108.212189] REISERFS (device loop0): using ordered data mode [ 108.217990] reiserfs: using flush barriers [ 108.226775] REISERFS (device loop0): journal params: device loop0, size 8199, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 [ 108.251707] REISERFS (device loop0): checking transaction log (loop0) [ 109.003526] REISERFS (device loop0): Using r5 hash to sort names [ 109.010713] REISERFS (device loop0): using 3.5.x disk format [ 109.017129] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 109.041730] REISERFS panic (device loop0): journal-2332 do_journal_end: Trying to log block 8211, which is a log block [ 109.058655] ------------[ cut here ]------------ [ 109.063435] kernel BUG at fs/reiserfs/prints.c:390! [ 109.070540] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 109.075929] CPU: 1 PID: 6500 Comm: syz-executor804 Not tainted 4.19.149-syzkaller #0 [ 109.084190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.093614] RIP: 0010:__reiserfs_panic.cold+0x37/0x99 [ 109.098784] Code: 1a 88 74 79 e8 df 97 88 ff 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 c0 2b 39 8d 48 c7 c7 60 ae 1a 88 e8 72 13 72 ff e8 be 97 88 ff <0f> 0b 48 c7 c7 80 17 9f 89 e8 20 e3 cc 01 e8 ab 97 88 ff 4d 85 e4 [ 109.117706] RSP: 0018:ffff888089377a60 EFLAGS: 00010293 [ 109.123063] RAX: ffff88808ba18280 RBX: ffff8880a452e200 RCX: 0000000000000000 [ 109.130319] RDX: 0000000000000000 RSI: ffffffff81e93aa2 RDI: ffffed101126ef3e [ 109.137569] RBP: ffff888089377b30 R08: 000000000000006a R09: 0000000000000000 [ 109.144817] R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff881b1720 [ 109.152064] R13: ffffffff881b2000 R14: ffffffff881aaca0 R15: 000000000000201a [ 109.159312] FS: 0000000000d1c880(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 [ 109.167514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.173371] CR2: 0000557becf6c198 CR3: 000000008f437000 CR4: 00000000001406e0 [ 109.180618] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.187864] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.195109] Call Trace: [ 109.197680] ? reiserfs_debug+0x10/0x10 [ 109.201649] ? __mutex_add_waiter+0x160/0x160 [ 109.206121] ? memset+0x20/0x40 [ 109.209378] do_journal_end+0x3ef1/0x48c0 [ 109.213509] reiserfs_sync_fs+0xf8/0x120 [ 109.217546] ? get_super_block+0x40/0x40 [ 109.221586] ? get_super_block+0x40/0x40 [ 109.225624] sync_filesystem+0x105/0x250 [ 109.229663] generic_shutdown_super+0x70/0x370 [ 109.234221] kill_block_super+0x97/0xf0 [ 109.238171] deactivate_locked_super+0x8c/0x100 [ 109.242829] deactivate_super+0x174/0x1a0 [ 109.246957] ? deactivate_locked_super+0x100/0x100 [ 109.251864] ? dput+0x31/0x6a0 [ 109.255035] cleanup_mnt+0x1da/0x300 [ 109.258725] task_work_run+0x141/0x1c0 [ 109.262593] exit_to_usermode_loop+0x269/0x2c0 [ 109.267154] do_syscall_64+0x57c/0x670 [ 109.271032] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.276197] RIP: 0033:0x448177 [ 109.279366] Code: 00 00 00 b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 8d a2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 6d a2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.298255] RSP: 002b:00007fff5c6b2098 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 109.305987] RAX: 0000000000000000 RBX: 00007fff5c6b3210 RCX: 0000000000448177 [ 109.313277] RDX: 0000000000400bb0 RSI: 0000000000000002 RDI: 00007fff5c6b2140 [ 109.320569] RBP: 000000000001a6ae R08: 0000000000000000 R09: 0000000000000009 [ 109.327814] R10: 0000000000000005 R11: 0000000000000206 R12: 00007fff5c6b31b0 [ 109.335059] R13: 0000000000d1d880 R14: 0000000000000000 R15: 0000000000000000 [ 109.342307] Modules linked in: [ 109.350584] ---[ end trace 621bfb9ad307c468 ]--- [ 109.355357] RIP: 0010:__reiserfs_panic.cold+0x37/0x99 [ 109.361066] Code: 1a 88 74 79 e8 df 97 88 ff 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 c0 2b 39 8d 48 c7 c7 60 ae 1a 88 e8 72 13 72 ff e8 be 97 88 ff <0f> 0b 48 c7 c7 80 17 9f 89 e8 20 e3 cc 01 e8 ab 97 88 ff 4d 85 e4 [ 109.380013] RSP: 0018:ffff888089377a60 EFLAGS: 00010293 [ 109.385377] RAX: ffff88808ba18280 RBX: ffff8880a452e200 RCX: 0000000000000000 [ 109.392671] RDX: 0000000000000000 RSI: ffffffff81e93aa2 RDI: ffffed101126ef3e [ 109.399935] RBP: ffff888089377b30 R08: 000000000000006a R09: 0000000000000000 [ 109.407225] R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff881b1720 [ 109.414537] R13: ffffffff881b2000 R14: ffffffff881aaca0 R15: 000000000000201a [ 109.421959] FS: 0000000000d1c880(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 109.430226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.436094] CR2: 0000564511ef8970 CR3: 000000008f437000 CR4: 00000000001406f0 [ 109.443463] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.450772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.458028] Kernel panic - not syncing: Fatal exception [ 109.464672] Kernel Offset: disabled [ 109.468306] Rebooting in 86400 seconds..