FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc5-syzkaller-00308-g3e5e6c9900c3 #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:4038 [inline] slab_alloc_node mm/slub.c:4114 [inline] __do_kmalloc_node mm/slub.c:4263 [inline] __kmalloc_noprof+0xd8/0x400 mm/slub.c:4276 kmalloc_noprof include/linux/slab.h:882 [inline] allocate_probes kernel/tracepoint.c:109 [inline] func_add kernel/tracepoint.c:205 [inline] tracepoint_add_func+0x2e4/0x9e0 kernel/tracepoint.c:338 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline] tracepoint_probe_register+0x105/0x160 kernel/tracepoint.c:531 register_trace_block_rq_insert include/trace/events/block.h:238 [inline] blk_register_tracepoints kernel/trace/blktrace.c:1094 [inline] get_probe_ref+0x4f/0x400 kernel/trace/blktrace.c:337 do_blk_trace_setup+0x7eb/0x9b0 kernel/trace/blktrace.c:611 __blk_trace_setup kernel/trace/blktrace.c:630 [inline] blk_trace_setup+0x119/0x1e0 kernel/trace/blktrace.c:648 sg_ioctl_common drivers/scsi/sg.c:1121 [inline] sg_ioctl+0xa46/0x2e80 drivers/scsi/sg.c:1163 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 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: 0033:0x7f6fa617e719 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:00007f6fa6ee8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6fa6335f80 RCX: 00007f6fa617e719 RDX: 00000000200000c0 RSI: 00000000c0481273 RDI: 0000000000000003 RBP: 00007f6fa6ee8090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f6fa6335f80 R15: 00007ffc8520a338 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5324 at kernel/trace/blktrace.c:1095 blk_register_tracepoints kernel/trace/blktrace.c:1095 [inline] WARNING: CPU: 0 PID: 5324 at kernel/trace/blktrace.c:1095 get_probe_ref+0x31d/0x400 kernel/trace/blktrace.c:337 Modules linked in: CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc5-syzkaller-00308-g3e5e6c9900c3 #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:blk_register_tracepoints kernel/trace/blktrace.c:1095 [inline] RIP: 0010:get_probe_ref+0x31d/0x400 kernel/trace/blktrace.c:337 Code: c3 31 ff 89 c6 e8 f3 c7 f7 ff 85 db 0f 85 e4 00 00 00 e8 a6 c3 f7 ff 48 c7 c7 40 70 99 8e 5b e9 e9 8a 32 0a e8 94 c3 f7 ff 90 <0f> 0b 90 e9 42 fd ff ff e8 86 c3 f7 ff 90 0f 0b 90 e9 61 fd ff ff RSP: 0018:ffffc9000d2dfb58 EFLAGS: 00010293 RAX: ffffffff819d168c RBX: 00000000fffffff4 RCX: ffff88801f0a4880 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: ffff8880430ddd00 R08: ffffffff819d13ca R09: 1ffff92001a5bf40 R10: dffffc0000000000 R11: fffff52001a5bf41 R12: 1ffff1100861bba6 R13: ffffc9000d2dfc80 R14: ffff8880430ddd30 R15: dffffc0000000000 FS: 00007f6fa6ee86c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6fa6e6d9b8 CR3: 0000000044304000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_blk_trace_setup+0x7eb/0x9b0 kernel/trace/blktrace.c:611 __blk_trace_setup kernel/trace/blktrace.c:630 [inline] blk_trace_setup+0x119/0x1e0 kernel/trace/blktrace.c:648 sg_ioctl_common drivers/scsi/sg.c:1121 [inline] sg_ioctl+0xa46/0x2e80 drivers/scsi/sg.c:1163 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 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: 0033:0x7f6fa617e719 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:00007f6fa6ee8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6fa6335f80 RCX: 00007f6fa617e719 RDX: 00000000200000c0 RSI: 00000000c0481273 RDI: 0000000000000003 RBP: 00007f6fa6ee8090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f6fa6335f80 R15: 00007ffc8520a338