FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5344 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 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x412/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4522 [inline] slab_alloc_node mm/slub.c:4875 [inline] __do_kmalloc_node mm/slub.c:5294 [inline] __kmalloc_noprof+0xe8/0x760 mm/slub.c:5307 kmalloc_noprof include/linux/slab.h:954 [inline] posix_acl_to_xattr+0x67/0x420 fs/posix_acl.c:842 __jfs_set_acl fs/jfs/acl.c:79 [inline] jfs_init_acl+0x2e4/0x530 fs/jfs/acl.c:143 jfs_mkdir+0x263/0xb00 fs/jfs/namei.c:237 vfs_mkdir+0x413/0x630 fs/namei.c:5261 filename_mkdirat+0x285/0x510 fs/namei.c:5294 __do_sys_mkdirat fs/namei.c:5315 [inline] __se_sys_mkdirat+0x35/0x150 fs/namei.c:5312 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa92119c819 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:00007fa9220e9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fa921416090 RCX: 00007fa92119c819 RDX: 0000000000000000 RSI: 00002000000005c0 RDI: ffffffffffffff9c RBP: 00007fa9220ea050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fa921416128 R14: 00007fa921416090 R15: 00007ffca29216f8 BUG at fs/jfs/jfs_txnmgr.c:530 assert(tblk->next == 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:530! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5344 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:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:530 Code: e9 cc fe ff ff e8 d1 ed 61 fe 48 c7 c7 e0 1b 0c 8c 48 c7 c6 d9 17 0c 8c ba 12 02 00 00 48 c7 c1 20 1c 0c 8c e8 92 ce c3 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000e097ac0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: ffff888036f64000 RCX: be1ae71421fa0e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000f09112 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd240 R12: 1ffff920001e1227 R13: dffffc0000000000 R14: ffffc90000f09138 R15: 0000000000000001 FS: 00007fa9220ea6c0(0000) GS:ffff88808c809000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd79f13ff0 CR3: 0000000038a8a000 CR4: 0000000000352ef0 Call Trace: jfs_mkdir+0x37e/0xb00 fs/jfs/namei.c:294 vfs_mkdir+0x413/0x630 fs/namei.c:5261 filename_mkdirat+0x285/0x510 fs/namei.c:5294 __do_sys_mkdirat fs/namei.c:5315 [inline] __se_sys_mkdirat+0x35/0x150 fs/namei.c:5312 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa92119c819 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:00007fa9220e9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fa921416090 RCX: 00007fa92119c819 RDX: 0000000000000000 RSI: 00002000000005c0 RDI: ffffffffffffff9c RBP: 00007fa9220ea050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fa921416128 R14: 00007fa921416090 R15: 00007ffca29216f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x51f/0x530 fs/jfs/jfs_txnmgr.c:530 Code: e9 cc fe ff ff e8 d1 ed 61 fe 48 c7 c7 e0 1b 0c 8c 48 c7 c6 d9 17 0c 8c ba 12 02 00 00 48 c7 c1 20 1c 0c 8c e8 92 ce c3 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000e097ac0 EFLAGS: 00010246 RAX: 0000000000000036 RBX: ffff888036f64000 RCX: be1ae71421fa0e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000f09112 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd240 R12: 1ffff920001e1227 R13: dffffc0000000000 R14: ffffc90000f09138 R15: 0000000000000001 FS: 00007fa9220ea6c0(0000) GS:ffff88808c809000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd79f13ff0 CR3: 0000000038a8a000 CR4: 0000000000352ef0