cifs: Unknown parameter '[bIT&:"1:ӭ'4,Zz-#F<]%gC SȘȞZ6' llcp: llcp_sock_recvmsg: Recv datagram failed state 4 -512 0 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. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1159! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5362 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 e0 4e 25 fe 90 <0f> 0b e8 d8 4e 25 fe 90 0f 0b e8 d0 4e 25 fe 90 0f 0b e8 c8 4e 25 RSP: 0018:ffffc9000d18e800 EFLAGS: 00010287 RAX: ffffffff839a6c50 RBX: ffff888034b06014 RCX: 0000000000100000 RDX: ffffc9000e442000 RSI: 0000000000000d52 RDI: 0000000000000d53 RBP: ffffc9000d18eb30 R08: ffff88804519c023 R09: 1ffff11008a33804 R10: dffffc0000000000 R11: ffffed1008a33805 R12: ffff888036e78000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888034b06014 FS: 00007f2e6ca236c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e609ff000 CR3: 0000000042311000 CR4: 0000000000352ef0 Call Trace: ocfs2_write_begin_nolock+0x31a3/0x4340 fs/ocfs2/aops.c:1796 ocfs2_dio_wr_get_block+0xb6f/0x1770 fs/ocfs2/aops.c:2214 get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x16fc/0x3490 fs/direct-io.c:1243 ocfs2_direct_IO+0x25f/0x2d0 fs/ocfs2/aops.c:2441 generic_file_direct_write+0x1d8/0x3e0 mm/filemap.c:4109 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4278 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469 do_iter_readv_writev+0x619/0x8b0 fs/read_write.c:-1 vfs_writev+0x31a/0x960 fs/read_write.c:1057 do_pwritev fs/read_write.c:1153 [inline] __do_sys_pwritev2 fs/read_write.c:1211 [inline] __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1202 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: 0033:0x7f2e6bb8ebe9 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:00007f2e6ca23038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f2e6bdb5fa0 RCX: 00007f2e6bb8ebe9 RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000009 RBP: 00007f2e6bc11e19 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2e6bdb6038 R14: 00007f2e6bdb5fa0 R15: 00007ffc2917a548 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 e0 4e 25 fe 90 <0f> 0b e8 d8 4e 25 fe 90 0f 0b e8 d0 4e 25 fe 90 0f 0b e8 c8 4e 25 RSP: 0018:ffffc9000d18e800 EFLAGS: 00010287 RAX: ffffffff839a6c50 RBX: ffff888034b06014 RCX: 0000000000100000 RDX: ffffc9000e442000 RSI: 0000000000000d52 RDI: 0000000000000d53 RBP: ffffc9000d18eb30 R08: ffff88804519c023 R09: 1ffff11008a33804 R10: dffffc0000000000 R11: ffffed1008a33805 R12: ffff888036e78000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888034b06014 FS: 00007f2e6ca236c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e609ff000 CR3: 0000000042311000 CR4: 0000000000352ef0