loop0: detected capacity change from 0 to 32768 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted 6.13.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:53 [inline] should_fail_ex+0x3b0/0x4e0 lib/fault-inject.c:154 should_failslab+0xac/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4072 [inline] slab_alloc_node mm/slub.c:4148 [inline] __do_kmalloc_node mm/slub.c:4297 [inline] __kmalloc_noprof+0xdd/0x4c0 mm/slub.c:4310 kmalloc_noprof include/linux/slab.h:905 [inline] __jfs_set_acl+0xa9/0x1b0 fs/jfs/acl.c:80 jfs_init_acl+0x2cc/0x480 fs/jfs/acl.c:148 jfs_mkdir+0x265/0xba0 fs/jfs/namei.c:236 vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4311 ovl_do_mkdir fs/overlayfs/overlayfs.h:248 [inline] ovl_mkdir_real+0xd3/0x2d0 fs/overlayfs/dir.c:147 ovl_workdir_create+0x451/0x980 fs/overlayfs/super.c:312 ovl_make_workdir fs/overlayfs/super.c:650 [inline] ovl_get_workdir+0x311/0x1920 fs/overlayfs/super.c:808 ovl_fill_super+0x12a8/0x3560 fs/overlayfs/super.c:1376 vfs_get_super fs/super.c:1280 [inline] get_tree_nodev+0xb7/0x140 fs/super.c:1299 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3511 do_mount fs/namespace.c:3851 [inline] __do_sys_mount fs/namespace.c:4061 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4038 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fab4c585d29 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:00007fab4d35e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fab4c775fa0 RCX: 00007fab4c585d29 RDX: 0000000020000000 RSI: 0000000020000080 RDI: 0000000000000000 RBP: 00007fab4d35e090 R08: 0000000020000140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007fab4c775fa0 R15: 00007ffc3b7f4368 BUG at fs/jfs/jfs_txnmgr.c:528 assert(tblk->next == 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:528! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted 6.13.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:txEnd+0x557/0x560 fs/jfs/jfs_txnmgr.c:528 Code: e9 cd fe ff ff e8 49 97 6b fe 48 c7 c7 c0 a6 42 8c 48 c7 c6 b9 a2 42 8c ba 10 02 00 00 48 c7 c1 00 a7 42 8c e8 2a 26 d3 fd 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d537250 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 000000000000000d RCX: 75a0fc12caed3f00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff92000279227 R08: ffffffff817f0c0c R09: 1ffff92001aa6de4 R10: dffffc0000000000 R11: fffff52001aa6de5 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc900013c9138 R15: 0000000000000110 FS: 00007fab4d35e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdbcb195ed8 CR3: 0000000036978000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jfs_mkdir+0x378/0xba0 fs/jfs/namei.c:293 vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4311 ovl_do_mkdir fs/overlayfs/overlayfs.h:248 [inline] ovl_mkdir_real+0xd3/0x2d0 fs/overlayfs/dir.c:147 ovl_workdir_create+0x451/0x980 fs/overlayfs/super.c:312 ovl_make_workdir fs/overlayfs/super.c:650 [inline] ovl_get_workdir+0x311/0x1920 fs/overlayfs/super.c:808 ovl_fill_super+0x12a8/0x3560 fs/overlayfs/super.c:1376 vfs_get_super fs/super.c:1280 [inline] get_tree_nodev+0xb7/0x140 fs/super.c:1299 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3511 do_mount fs/namespace.c:3851 [inline] __do_sys_mount fs/namespace.c:4061 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4038 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fab4c585d29 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:00007fab4d35e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fab4c775fa0 RCX: 00007fab4c585d29 RDX: 0000000020000000 RSI: 0000000020000080 RDI: 0000000000000000 RBP: 00007fab4d35e090 R08: 0000000020000140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007fab4c775fa0 R15: 00007ffc3b7f4368 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txEnd+0x557/0x560 fs/jfs/jfs_txnmgr.c:528 Code: e9 cd fe ff ff e8 49 97 6b fe 48 c7 c7 c0 a6 42 8c 48 c7 c6 b9 a2 42 8c ba 10 02 00 00 48 c7 c1 00 a7 42 8c e8 2a 26 d3 fd 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d537250 EFLAGS: 00010246 RAX: 0000000000000036 RBX: 000000000000000d RCX: 75a0fc12caed3f00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff92000279227 R08: ffffffff817f0c0c R09: 1ffff92001aa6de4 R10: dffffc0000000000 R11: fffff52001aa6de5 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc900013c9138 R15: 0000000000000110 FS: 00007fab4d35e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdbcb195ed8 CR3: 0000000036978000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400