loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support RENAME_WHITEOUT. overlayfs: upper fs missing required features. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1159! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5366 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 fd a7 9f 8d ba 6a 04 00 00 48 c7 c1 c0 5a ca 8b e8 c8 51 1b 00 90 0f 0b e8 20 4d 25 fe 90 <0f> 0b e8 18 4d 25 fe 90 0f 0b e8 10 4d 25 fe 90 0f 0b e8 08 4d 25 RSP: 0018:ffffc9000d326e60 EFLAGS: 00010287 RAX: ffffffff839a6e20 RBX: ffff8880116da014 RCX: 0000000000100000 RDX: ffffc9000e0e2000 RSI: 000000000000064f RDI: 0000000000000650 RBP: ffffc9000d327190 R08: ffff88804439a3a3 R09: 1ffff11008873474 R10: dffffc0000000000 R11: ffffed1008873475 R12: ffff888036b28000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880116da014 FS: 00007fa4acf956c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4a3fff000 CR3: 0000000043625000 CR4: 0000000000352ef0 Call Trace: ocfs2_write_begin_nolock+0x31a3/0x4340 fs/ocfs2/aops.c:1796 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1884 generic_perform_write+0x2c5/0x900 mm/filemap.c:4175 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_pwrite64 fs/read_write.c:793 [inline] __do_sys_pwrite64 fs/read_write.c:801 [inline] __se_sys_pwrite64 fs/read_write.c:798 [inline] __x64_sys_pwrite64+0x193/0x220 fs/read_write.c:798 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa4ac18ebe9 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 RSP: 002b:00007fa4acf95038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fa4ac3b5fa0 RCX: 00007fa4ac18ebe9 RDX: 000000000000fdef RSI: 0000200000000140 RDI: 000000000000000a RBP: 00007fa4ac211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fecc R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa4ac3b6038 R14: 00007fa4ac3b5fa0 R15: 00007ffe6511cc48 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 fd a7 9f 8d ba 6a 04 00 00 48 c7 c1 c0 5a ca 8b e8 c8 51 1b 00 90 0f 0b e8 20 4d 25 fe 90 <0f> 0b e8 18 4d 25 fe 90 0f 0b e8 10 4d 25 fe 90 0f 0b e8 08 4d 25 RSP: 0018:ffffc9000d326e60 EFLAGS: 00010287 RAX: ffffffff839a6e20 RBX: ffff8880116da014 RCX: 0000000000100000 RDX: ffffc9000e0e2000 RSI: 000000000000064f RDI: 0000000000000650 RBP: ffffc9000d327190 R08: ffff88804439a3a3 R09: 1ffff11008873474 R10: dffffc0000000000 R11: ffffed1008873475 R12: ffff888036b28000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880116da014 FS: 00007fa4acf956c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4acf73fc8 CR3: 0000000043625000 CR4: 0000000000352ef0