ip: ffff8880472abeb0: 00000300 00000000 472abeb8 ffff8880 ip: ffff8880472abec0: 472abeb8 ffff8880 00000000 00000000 ip: ffff8880472abed0: 00000000 00000000 00000000 00000000 ip: ffff8880472abee0: 00000000 dead4ead ffffffff 00000000 ip: ffff8880472abef0: ffffffff ffffffff 932443d0 ffffffff ip: ffff8880472abf00: 00000000 00000000 00000000 00000000 ip: ffff8880472abf10: 8bcceb80 ffffffff 00000200 00000000 ip: ffff8880472abf20: 472abf20 ffff8880 472abf20 ffff8880 ip: ffff8880472abf30: 472abec8 ffff8880 9a3064a0 ffffffff ip: ffff8880472abf40: 00000000 00000000 00000000 00000000 ip: ffff8880472abf50: 8bde48c0 ffffffff 00000400 00000000 ip: ffff8880472abf60: 00000000 00000000 472abf68 ffff8880 ip: ffff8880472abf70: 472abf68 ffff8880 00000008 00000000 ip: ffff8880472abf80: 00000000 00000000 00000000 00000000 ip: ffff8880472abf90: 00000000 00000000 mp: ffff8880421c06c8: 00001000 00000003 0000500c 00000000 mp: ffff8880421c06d8: 41498228 ffff8880 421c07d0 ffff8880 mp: ffff8880421c06e8: 00000005 00000000 00000001 00000000 mp: ffff8880421c06f8: 437e3000 ffff8880 00000722 00000000 mp: ffff8880421c0708: 00000000 dead4ead ffffffff 00000000 mp: ffff8880421c0718: ffffffff ffffffff 9a3fc1e0 ffffffff mp: ffff8880421c0728: 93cd01d8 ffffffff 00000000 00000000 mp: ffff8880421c0738: 8c0b68a0 ffffffff 00000300 00000000 mp: ffff8880421c0748: 421c0748 ffff8880 421c0748 ffff8880 mp: ffff8880421c0758: 010df8c0 ffffea00 12766000 ffff8880 mp: ffff8880421c0768: 00001000 00013f20 00000003 00000000 mp: ffff8880421c0778: 41498000 ffff8880 Locker's tblock: ffffc90000ea9440: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90000ea9450: 00000100 dead0000 00000122 dead0000 Locker's tblock: ffffc90000ea9460: 12766000 ffff8880 000c000c 00000000 Locker's tblock: ffffc90000ea9470: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000ea9480: ffffffff ffffffff 9a3fc3e0 ffffffff Locker's tblock: ffffc90000ea9490: 93cd13d0 ffffffff 00000000 00000000 Locker's tblock: ffffc90000ea94a0: 8c0b7d60 ffffffff 00000300 00000000 Locker's tblock: ffffc90000ea94b0: 00ea94b0 ffffc900 00ea94b0 ffffc900 Locker's tblock: ffffc90000ea94c0: 000000d6 00000000 00000100 dead0000 Locker's tblock: ffffc90000ea94d0: 00000122 dead0000 00013dd4 00000000 Locker's tblock: ffffc90000ea94e0: 38915400 ffff8880 00000013 00000dd4 Locker's tblock: ffffc90000ea94f0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000ea9500: ffffffff ffffffff 9a3fc3c0 ffffffff Locker's tblock: ffffc90000ea9510: 93cd1308 ffffffff 00000000 00000000 Locker's tblock: ffffc90000ea9520: 8c0b7d20 ffffffff 00000300 00000000 Locker's tblock: ffffc90000ea9530: 00ea9530 ffffc900 00ea9530 ffffc900 Locker's tblock: ffffc90000ea9540: 00000004 0000072c 00001002 00000000 Tlock: ffffc900010470d8: 00010008 40048884 421c06c8 ffff8880 Tlock: ffffc900010470e8: 472a8430 ffff8880 01140000 01000008 Tlock: ffffc900010470f8: 437e3560 ffff8880 00000001 00000722 Tlock: ffffc90001047108: 00000000 00000000 00000000 00000000 Tlock: ffffc90001047118: 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: 5332 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:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 80 83 0b 8c 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 cb ff 50 01 48 83 c4 10 90 <0f> 0b e8 df 02 65 fe 4c 89 ff 48 c7 c6 60 8b 0b 8c e8 b0 3a c7 fd RSP: 0018:ffffc9000efff140 EFLAGS: 00010282 RAX: a56ee430338c3800 RBX: dffffc0000000000 RCX: ffff8880355824c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000efff278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cbd630 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff92000208e1b R15: ffffc900010470da FS: 00007f3254cf56c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000060000 CR3: 0000000041c50000 CR4: 0000000000352ef0 Call Trace: dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1927 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline] dtInsert+0xf19/0x5f10 fs/jfs/jfs_dtree.c:871 jfs_create+0x75b/0xb10 fs/jfs/namei.c:138 lookup_open fs/namei.c:4489 [inline] open_last_lookups fs/namei.c:4589 [inline] path_openat+0x1395/0x3860 fs/namei.c:4833 do_file_open+0x23e/0x4a0 fs/namei.c:4865 do_sys_openat2+0x113/0x200 fs/open.c:1366 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1383 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3253d9c819 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:00007f3254cf4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f3254016090 RCX: 00007f3253d9c819 RDX: 000000000000275a RSI: 0000200000000080 RDI: ffffffffffffff9c RBP: 00007f3253e32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3254016128 R14: 00007f3254016090 R15: 00007ffd9567a1c8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 80 83 0b 8c 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 cb ff 50 01 48 83 c4 10 90 <0f> 0b e8 df 02 65 fe 4c 89 ff 48 c7 c6 60 8b 0b 8c e8 b0 3a c7 fd RSP: 0018:ffffc9000efff140 EFLAGS: 00010282 RAX: a56ee430338c3800 RBX: dffffc0000000000 RCX: ffff8880355824c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000efff278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cbd630 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff92000208e1b R15: ffffc900010470da FS: 00007f3254cf56c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000060000 CR3: 0000000041c50000 CR4: 0000000000352ef0