ip: ffff88805181d100: 00000300 00000000 5181d108 ffff8880 ip: ffff88805181d110: 5181d108 ffff8880 00000000 00000000 ip: ffff88805181d120: 00000000 00000000 00000000 00000000 ip: ffff88805181d130: 00000000 dead4ead ffffffff 00000000 ip: ffff88805181d140: ffffffff ffffffff 9275b2f0 ffffffff ip: ffff88805181d150: 00000000 00000000 00000000 00000000 ip: ffff88805181d160: 8b6aff00 ffffffff 00000200 00000000 ip: ffff88805181d170: 5181d170 ffff8880 5181d170 ffff8880 ip: ffff88805181d180: 5181d118 ffff8880 9981a640 ffffffff ip: ffff88805181d190: 00000000 00000000 00000000 00000000 ip: ffff88805181d1a0: 8b79a8e0 ffffffff 00000400 00000000 ip: ffff88805181d1b0: 00000000 00000000 5181d1b8 ffff8880 ip: ffff88805181d1c0: 5181d1b8 ffff8880 00000000 00000000 ip: ffff88805181d1d0: 00000000 00000000 00000000 00000000 ip: ffff88805181d1e0: 00000000 00000000 mp: ffff888051c1fe88: 00001000 0000000c 00003914 00000000 mp: ffff888051c1fe98: 41eb8010 ffff8880 51c1fbb0 ffff8880 mp: ffff888051c1fea8: 00000005 00000000 00000001 00000000 mp: ffff888051c1feb8: 41d98000 ffff8880 0000072c 00000000 mp: ffff888051c1fec8: 00000000 dead4ead ffffffff 00000000 mp: ffff888051c1fed8: ffffffff ffffffff 9990e4e0 ffffffff mp: ffff888051c1fee8: 931e6478 ffffffff 00000000 00000000 mp: ffff888051c1fef8: 8ba4a640 ffffffff 00000300 00000000 mp: ffff888051c1ff08: 51c1ff08 ffff8880 51c1ff08 ffff8880 mp: ffff888051c1ff18: 01076600 ffffea00 36226000 ffff8880 mp: ffff888051c1ff28: 00001000 00006500 00000001 00000000 mp: ffff888051c1ff38: 51c4e800 ffff8880 Locker's tblock: ffffc90001389000: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc90001389010: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc90001389020: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc90001389030: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90001389040: ffffffff ffffffff 9990e6e0 ffffffff Locker's tblock: ffffc90001389050: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc90001389060: 8ba4bae0 ffffffff 00000300 00000000 Locker's tblock: ffffc90001389070: 01389070 ffffc900 01389070 ffffc900 Locker's tblock: ffffc90001389080: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc90001389090: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc900013890a0: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc900013890b0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc900013890c0: ffffffff ffffffff 9990e6c0 ffffffff Locker's tblock: ffffc900013890d0: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc900013890e0: 8ba4baa0 ffffffff 00000300 00000000 Locker's tblock: ffffc900013890f0: 013890f0 ffffc900 013890f0 ffffc900 Locker's tblock: ffffc90001389100: 00000000 00000000 00000000 00000000 Tlock: ffffc9000152d360: 0006000d 40048884 51c1fe88 ffff8880 Tlock: ffffc9000152d370: 5181c448 ffff8880 01140000 05000008 Tlock: ffffc9000152d380: 41d981e0 ffff8880 00000000 00000000 Tlock: ffffc9000152d390: 00000000 00000000 00000000 00000000 Tlock: ffffc9000152d3a0: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:835! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5328 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:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 e0 c0 a4 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 94 91 42 01 48 83 c4 10 90 <0f> 0b e8 78 03 77 fe 4c 89 ff 48 c7 c6 e0 c8 a4 8b e8 d9 de de fd RSP: 0018:ffffc9000d41ea20 EFLAGS: 00010282 RAX: e77523cece0e8000 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000e1f2000 RSI: 000000000004d28d RDI: 000000000004d28e RBP: ffffc9000d41eb50 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba684 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920002a5a6c R15: ffffc9000152d362 FS: 00007f32298226c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3229800fc8 CR3: 0000000041ecd000 CR4: 0000000000352ef0 Call Trace: xtInsert+0x8d7/0xe30 fs/jfs/jfs_xtree.c:645 extAlloc+0xa9a/0xfb0 fs/jfs/jfs_extent.c:150 jfs_get_block+0x346/0xab0 fs/jfs/inode.c:254 get_more_blocks fs/direct-io.c:648 [inline] do_direct_IO fs/direct-io.c:936 [inline] __blockdev_direct_IO+0x16ff/0x3490 fs/direct-io.c:1243 blockdev_direct_IO include/linux/fs.h:3509 [inline] jfs_direct_IO+0x119/0x220 fs/jfs/inode.c:339 generic_file_direct_write+0x1db/0x3e0 mm/filemap.c:4188 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4357 generic_file_write_iter+0x117/0x550 mm/filemap.c:4397 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738 do_splice_from fs/splice.c:938 [inline] direct_splice_actor+0x101/0x160 fs/splice.c:1161 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105 do_splice_direct_actor fs/splice.c:1204 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1230 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370 __do_sys_sendfile64 fs/read_write.c:1431 [inline] __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f322898f6c9 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:00007f3229822038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f3228be5fa0 RCX: 00007f322898f6c9 RDX: 0000000000000000 RSI: 000000000000000a RDI: 000000000000000b RBP: 00007f3228a11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000080000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3228be6038 R14: 00007f3228be5fa0 R15: 00007ffccf1ebcd8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 e0 c0 a4 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 94 91 42 01 48 83 c4 10 90 <0f> 0b e8 78 03 77 fe 4c 89 ff 48 c7 c6 e0 c8 a4 8b e8 d9 de de fd RSP: 0018:ffffc9000d41ea20 EFLAGS: 00010282 RAX: e77523cece0e8000 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000e1f2000 RSI: 000000000004d28d RDI: 000000000004d28e RBP: ffffc9000d41eb50 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba684 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920002a5a6c R15: ffffc9000152d362 FS: 00007f32298226c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3229800fc8 CR3: 0000000041ecd000 CR4: 0000000000352ef0