... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ======================================================= 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. ======================================================= overlay: Bad value for 'verity' ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... BUG at fs/jfs/jfs_dmap.c:3123 assert(bitno < 32) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_dmap.c:3123! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5329 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 04/01/2014 RIP: 0010:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3123 Code: bf fd 90 0f 0b e8 82 93 5e fe 48 c7 c7 e0 59 2c 8c 48 c7 c6 20 57 2c 8c ba 33 0c 00 00 48 c7 c1 20 62 2c 8c e8 f3 3e bf fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 RSP: 0018:ffffc9000f0bec38 EFLAGS: 00010246 RAX: 0000000000000030 RBX: 0000000000000000 RCX: e9866971b281c700 RDX: ffffc90020802000 RSI: 00000000000d8700 RDI: 00000000000d8701 RBP: 00000000ffffffff R08: ffffc9000f0be9c7 R09: 1ffff92001e17d38 R10: dffffc0000000000 R11: fffff52001e17d39 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020 FS: 00007f68f27d46c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f02dbec7113 CR3: 00000000124f3000 CR4: 0000000000352ef0 Call Trace: dbAllocDmapLev+0x161/0x3b0 fs/jfs/jfs_dmap.c:2072 dbAllocCtl+0x145/0x990 fs/jfs/jfs_dmap.c:1912 dbAllocAG+0x1f4/0xf80 fs/jfs/jfs_dmap.c:1440 dbAlloc+0x5ab/0xba0 fs/jfs/jfs_dmap.c:964 xtSplitUp+0x4bf/0x1ef0 fs/jfs/jfs_xtree.c:760 xtInsert+0x43e/0xf10 fs/jfs/jfs_xtree.c:608 extAlloc+0xac6/0x1010 fs/jfs/jfs_extent.c:150 jfs_get_block+0x351/0xad0 fs/jfs/inode.c:254 get_more_blocks fs/direct-io.c:644 [inline] do_direct_IO fs/direct-io.c:932 [inline] __blockdev_direct_IO+0x1590/0x3380 fs/direct-io.c:1236 blockdev_direct_IO include/linux/fs.h:3135 [inline] jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:339 generic_file_direct_write+0x1d0/0x3f0 mm/filemap.c:4292 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4461 generic_file_write_iter+0xae/0x330 mm/filemap.c:4501 do_iter_readv_writev+0x612/0x8c0 fs/read_write.c:-1 vfs_writev+0x343/0x990 fs/read_write.c:1058 do_pwritev fs/read_write.c:1154 [inline] __do_sys_pwritev2 fs/read_write.c:1212 [inline] __se_sys_pwritev2+0x177/0x2a0 fs/read_write.c:1203 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f68f639de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f68f27d3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f68f6626090 RCX: 00007f68f639de99 RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000007 RBP: 00007f68f6433eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000007800 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f68f6626128 R14: 00007f68f6626090 R15: 00007ffdef1bf5c8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dbFindBits+0x19e/0x1a0 fs/jfs/jfs_dmap.c:3123 Code: bf fd 90 0f 0b e8 82 93 5e fe 48 c7 c7 e0 59 2c 8c 48 c7 c6 20 57 2c 8c ba 33 0c 00 00 48 c7 c1 20 62 2c 8c e8 f3 3e bf fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 RSP: 0018:ffffc9000f0bec38 EFLAGS: 00010246 RAX: 0000000000000030 RBX: 0000000000000000 RCX: e9866971b281c700 RDX: ffffc90020802000 RSI: 00000000000d8700 RDI: 00000000000d8701 RBP: 00000000ffffffff R08: ffffc9000f0be9c7 R09: 1ffff92001e17d38 R10: dffffc0000000000 R11: fffff52001e17d39 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000020 FS: 00007f68f27d46c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000002a00 CR3: 00000000124f3000 CR4: 0000000000352ef0