RBP: 00007f1c89fc71d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffea885254f R14: 00007f1c89fc7300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 42031 at kernel/trace/blktrace.c:1141 blk_register_tracepoints+0x309/0x3e0 kernel/trace/blktrace.c:1141 Modules linked in: CPU: 0 PID: 42031 Comm: syz-executor.2 Not tainted 5.10.170 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:blk_register_tracepoints+0x309/0x3e0 kernel/trace/blktrace.c:1141 Code: 48 c7 c7 20 c1 65 85 e8 95 c9 fb ff 31 ff 89 c3 89 c6 e8 fa 89 f9 ff 85 db 0f 85 c6 00 00 00 5b e9 9c 90 f9 ff e8 97 90 f9 ff <0f> 0b e9 1e fd ff ff e8 8b 90 f9 ff 0f 0b e9 3f fd ff ff e8 7f 90 RSP: 0018:ffff888047677bc8 EFLAGS: 00010212 RAX: 0000000000016c4d RBX: 00000000fffffff4 RCX: ffffc900007d7000 RDX: 0000000000040000 RSI: ffffffff8146ac19 RDI: 0000000000000005 RBP: ffff888049cdda00 R08: 0000000000000001 R09: ffffffff8503a127 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888049cdda30 R15: 0000000000000000 FS: 00007f1c89fc7700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005605ff3bfe70 CR3: 0000000047b76000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: get_probe_ref kernel/trace/blktrace.c:327 [inline] do_blk_trace_setup+0x9be/0xbf0 kernel/trace/blktrace.c:578 __blk_trace_setup+0xca/0x180 kernel/trace/blktrace.c:597 blk_trace_setup+0x43/0x60 kernel/trace/blktrace.c:615 sg_ioctl_common+0x634/0x2570 drivers/scsi/sg.c:1115 sg_ioctl+0x8f/0x120 drivers/scsi/sg.c:1158 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f1c8ca51b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1c89fc7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1c8cb64f60 RCX: 00007f1c8ca51b19 RDX: 0000000020000080 RSI: 00000000c0481273 RDI: 0000000000000005 RBP: 00007f1c89fc71d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffea885254f R14: 00007f1c89fc7300 R15: 0000000000022000 irq event stamp: 3971 hardirqs last enabled at (3987): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4008): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (2070): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1995): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 85e1e9caf49d074f ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 42154 at kernel/tracepoint.c:425 tracepoint_remove_func kernel/tracepoint.c:425 [inline] WARNING: CPU: 1 PID: 42154 at kernel/tracepoint.c:425 tracepoint_probe_unregister+0x759/0xd00 kernel/tracepoint.c:572 Modules linked in: CPU: 1 PID: 42154 Comm: syz-executor.2 Tainted: G W 5.10.170 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:tracepoint_remove_func kernel/tracepoint.c:425 [inline] RIP: 0010:tracepoint_probe_unregister+0x759/0xd00 kernel/tracepoint.c:572 Code: ff ff be c0 0c 00 00 48 c7 c7 ff ff ff ff 89 c2 e8 1c b0 19 00 48 89 44 24 10 e9 81 fa ff ff 41 bc fe ff ff ff e8 d7 be fd ff <0f> 0b e9 a4 fd ff ff e8 cb be fd ff 48 89 de 48 c7 c7 00 f0 ff ff RSP: 0018:ffff888048e77cb0 EFLAGS: 00010216 RAX: 000000000000b583 RBX: 0000000000000000 RCX: ffffc900009d8000 RDX: 0000000000040000 RSI: ffffffff81427dd9 RDI: 0000000000000005 RBP: ffff888049cdda00 R08: 0000000000000001 R09: ffffffff8503a127 R10: 0000000000000000 R11: 0000000000000001 R12: 00000000fffffffe R13: ffffffff81471270 R14: 0000000000008000 R15: 0000000000001276 FS: 00007f1c89fa6700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556590c98 CR3: 0000000047b76000 CR4: 0000000000350ee0 Call Trace: unregister_trace_block_rq_insert include/trace/events/block.h:190 [inline] blk_unregister_tracepoints+0x16a/0x180 kernel/trace/blktrace.c:1194 put_probe_ref kernel/trace/blktrace.c:335 [inline] blk_trace_cleanup kernel/trace/blktrace.c:343 [inline] __blk_trace_remove+0x193/0x1c0 kernel/trace/blktrace.c:356 blk_trace_remove+0x26/0x40 kernel/trace/blktrace.c:366 sg_ioctl_common+0xc8e/0x2570 drivers/scsi/sg.c:1124 sg_ioctl+0x8f/0x120 drivers/scsi/sg.c:1158 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f1c8ca51b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1c89fa6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1c8cb65020 RCX: 00007f1c8ca51b19 RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000005 RBP: 00007f1c8caabf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea885254f R14: 00007f1c89fa6300 R15: 0000000000022000 irq event stamp: 1821 hardirqs last enabled at (1829): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2561 hardirqs last disabled at (1840): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2476 softirqs last enabled at (1452): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1443): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 85e1e9caf49d0750 ]---