ip: ffff888011d7b588: 00000300 00000000 11d7b590 ffff8880 ip: ffff888011d7b598: 11d7b590 ffff8880 00000000 00000000 ip: ffff888011d7b5a8: 00000000 00000000 00000000 00000000 ip: ffff888011d7b5b8: 00000000 dead4ead ffffffff 00000000 ip: ffff888011d7b5c8: ffffffff ffffffff 92877370 ffffffff ip: ffff888011d7b5d8: 00000000 00000000 00000000 00000000 ip: ffff888011d7b5e8: 8b6b22a0 ffffffff 00000200 00000000 ip: ffff888011d7b5f8: 11d7b5f8 ffff8880 11d7b5f8 ffff8880 ip: ffff888011d7b608: 11d7b5a0 ffff8880 99936a20 ffffffff ip: ffff888011d7b618: 00000000 00000000 00000000 00000000 ip: ffff888011d7b628: 8b7a0c00 ffffffff 00000400 00000000 ip: ffff888011d7b638: 00000000 00000000 11d7b640 ffff8880 ip: ffff888011d7b648: 11d7b640 ffff8880 00000006 00000000 ip: ffff888011d7b658: 00000000 00000000 00000000 00000000 ip: ffff888011d7b668: 00000000 00000000 mp: ffff8880440363e0: 00001000 0000000b 000039fc 00000000 mp: ffff8880440363f0: 01379450 ffffc900 425b4a28 ffff8880 mp: ffff888044036400: 00000005 00000000 00000001 00000000 mp: ffff888044036410: 431b5000 ffff8880 0000072c 00000000 mp: ffff888044036420: 00000000 dead4ead ffffffff 00000000 mp: ffff888044036430: ffffffff ffffffff 99a2b5e0 ffffffff mp: ffff888044036440: 93302368 ffffffff 00000000 00000000 mp: ffff888044036450: 8ba58ca0 ffffffff 00000300 00000000 mp: ffff888044036460: 44036460 ffff8880 44036460 ffff8880 mp: ffff888044036470: 010c6d40 ffffea00 35d62000 ffff8880 mp: ffff888044036480: 00001000 000042ec 00000001 00000000 mp: ffff888044036490: 425b4800 ffff8880 Locker's tblock: ffffc90001379330: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90001379340: 00000100 dead0000 00000122 dead0000 Locker's tblock: ffffc90001379350: 35d62000 ffff8880 000a000a 00000000 Locker's tblock: ffffc90001379360: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90001379370: ffffffff ffffffff 99a2b7e0 ffffffff Locker's tblock: ffffc90001379380: 93303178 ffffffff 00000000 00000000 Locker's tblock: ffffc90001379390: 8ba5a160 ffffffff 00000300 00000000 Locker's tblock: ffffc900013793a0: 013793a0 ffffc900 013793a0 ffffc900 Locker's tblock: ffffc900013793b0: 0000000a 00000000 00000100 dead0000 Locker's tblock: ffffc900013793c0: 00000122 dead0000 000042ec 00000000 Locker's tblock: ffffc900013793d0: 3341e600 ffff8880 00000004 000002ec Locker's tblock: ffffc900013793e0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc900013793f0: ffffffff ffffffff 99a2b7c0 ffffffff Locker's tblock: ffffc90001379400: 933030b0 ffffffff 00000000 00000000 Locker's tblock: ffffc90001379410: 8ba5a120 ffffffff 00000300 00000000 Locker's tblock: ffffc90001379420: 01379420 ffffc900 01379420 ffffc900 Locker's tblock: ffffc90001379430: 00000004 0000072c 00001002 00000000 Tlock: ffffc9000151c318: 00040000 80018804 440363e0 ffff8880 Tlock: ffffc9000151c328: 11d7a8d0 ffff8880 01140000 07002000 Tlock: ffffc9000151c338: 01510100 ffffc900 00000001 0000072c Tlock: ffffc9000151c348: 00000000 00000000 00000000 00000000 Tlock: ffffc9000151c358: 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: 5342 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 80 a7 a5 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 34 2e 43 01 48 83 c4 10 90 <0f> 0b e8 38 22 74 fe 4c 89 ff 48 c7 c6 60 af a5 8b e8 69 21 db fd RSP: 0018:ffffc9000d21f160 EFLAGS: 00010286 RAX: 60cf1ddec5057a00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90021222000 RSI: 0000000000028923 RDI: 0000000000028924 RBP: ffffc9000d21f298 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bbae40 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920002a3863 R15: ffffc9000151c31a FS: 00007f57f78606c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f94e7da1000 CR3: 000000004137b000 CR4: 0000000000352ef0 Call Trace: dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1927 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline] dtInsert+0xef8/0x5f40 fs/jfs/jfs_dtree.c:871 jfs_create+0x6c8/0xa80 fs/jfs/namei.c:137 lookup_open fs/namei.c:4440 [inline] open_last_lookups fs/namei.c:4540 [inline] path_openat+0x18bb/0x3dd0 fs/namei.c:4784 do_filp_open+0x1fa/0x410 fs/namei.c:4814 do_sys_openat2+0x121/0x200 fs/open.c:1430 do_sys_open fs/open.c:1436 [inline] __do_sys_creat fs/open.c:1514 [inline] __se_sys_creat fs/open.c:1508 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1508 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f57f698f7c9 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:00007f57f7860038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f57f6be6090 RCX: 00007f57f698f7c9 RDX: 0000000000000000 RSI: 0000000000000082 RDI: 00002000000002c0 RBP: 00007f57f6a13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f57f6be6128 R14: 00007f57f6be6090 R15: 00007ffef434d268 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 80 a7 a5 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 34 2e 43 01 48 83 c4 10 90 <0f> 0b e8 38 22 74 fe 4c 89 ff 48 c7 c6 60 af a5 8b e8 69 21 db fd RSP: 0018:ffffc9000d21f160 EFLAGS: 00010286 RAX: 60cf1ddec5057a00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90021222000 RSI: 0000000000028923 RDI: 0000000000028924 RBP: ffffc9000d21f298 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bbae40 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920002a3863 R15: ffffc9000151c31a FS: 00007f57f78606c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f94e7da1000 CR3: 000000004137b000 CR4: 0000000000352ef0