FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #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 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x414/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4101 [inline] slab_alloc_node mm/slub.c:4177 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0xcb/0x4f0 mm/slub.c:4340 kmalloc_noprof include/linux/slab.h:909 [inline] allocate_probes kernel/tracepoint.c:99 [inline] func_add kernel/tracepoint.c:159 [inline] tracepoint_add_func+0x35e/0xa10 kernel/tracepoint.c:292 tracepoint_probe_register_prio kernel/tracepoint.c:464 [inline] tracepoint_probe_register+0x5d/0x90 kernel/tracepoint.c:484 register_trace_block_rq_merge include/trace/events/block.h:266 [inline] blk_register_tracepoints kernel/trace/blktrace.c:1081 [inline] get_probe_ref+0xa9/0x3c0 kernel/trace/blktrace.c:337 do_blk_trace_setup+0x802/0x9d0 kernel/trace/blktrace.c:611 blk_trace_setup+0x116/0x1f0 kernel/trace/blktrace.c:632 sg_ioctl_common drivers/scsi/sg.c:1114 [inline] sg_ioctl+0xaf3/0x2230 drivers/scsi/sg.c:1156 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1789d8e929 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:00007f178ab66038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1789fb5fa0 RCX: 00007f1789d8e929 RDX: 0000200000000540 RSI: 00000000c0481273 RDI: 0000000000000004 RBP: 00007f178ab66090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f1789fb5fa0 R15: 00007ffc2e7d8178 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5318 at kernel/trace/blktrace.c:1082 blk_register_tracepoints kernel/trace/blktrace.c:1082 [inline] WARNING: CPU: 0 PID: 5318 at kernel/trace/blktrace.c:1082 get_probe_ref+0x30c/0x3c0 kernel/trace/blktrace.c:337 Modules linked in: CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #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:blk_register_tracepoints kernel/trace/blktrace.c:1082 [inline] RIP: 0010:get_probe_ref+0x30c/0x3c0 kernel/trace/blktrace.c:337 Code: 1a 8e 5b e9 76 aa 9e 09 e8 01 07 f8 ff 90 0f 0b 90 e9 6f fd ff ff e8 f3 06 f8 ff 90 0f 0b 90 e9 8e fd ff ff e8 e5 06 f8 ff 90 <0f> 0b 90 e9 ad fd ff ff e8 d7 06 f8 ff 90 0f 0b 90 e9 cc fd ff ff RSP: 0018:ffffc9000d3f7b78 EFLAGS: 00010293 RAX: ffffffff81c854eb RBX: 00000000fffffff4 RCX: ffff8880001ea440 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 1ffff110069a731d R08: ffffc9000d3f7ac7 R09: 1ffff92001a7ef58 R10: dffffc0000000000 R11: fffff52001a7ef59 R12: 000000000000059f R13: dffffc0000000000 R14: ffff888011cc0230 R15: ffff888011cc0200 FS: 00007f178ab666c0(0000) GS:ffff88808d255000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff73a8f0700 CR3: 000000003f82f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_blk_trace_setup+0x802/0x9d0 kernel/trace/blktrace.c:611 blk_trace_setup+0x116/0x1f0 kernel/trace/blktrace.c:632 sg_ioctl_common drivers/scsi/sg.c:1114 [inline] sg_ioctl+0xaf3/0x2230 drivers/scsi/sg.c:1156 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1789d8e929 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:00007f178ab66038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1789fb5fa0 RCX: 00007f1789d8e929 RDX: 0000200000000540 RSI: 00000000c0481273 RDI: 0000000000000004 RBP: 00007f178ab66090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f1789fb5fa0 R15: 00007ffc2e7d8178