R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f2bdc315f80 R15: 00007ffd999742b8 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5824 at kernel/trace/blktrace.c:1099 blk_register_tracepoints kernel/trace/blktrace.c:1099 [inline] WARNING: CPU: 0 PID: 5824 at kernel/trace/blktrace.c:1099 get_probe_ref+0x339/0x400 kernel/trace/blktrace.c:337 Modules linked in: CPU: 0 UID: 0 PID: 5824 Comm: syz.0.16 Not tainted 6.12.0-syzkaller-08446-g228a1157fb9f #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:1099 [inline] RIP: 0010:get_probe_ref+0x339/0x400 kernel/trace/blktrace.c:337 Code: 99 8e 5b e9 59 e7 31 0a e8 64 c2 f7 ff 90 0f 0b 90 e9 42 fd ff ff e8 56 c2 f7 ff 90 0f 0b 90 e9 61 fd ff ff e8 48 c2 f7 ff 90 <0f> 0b 90 e9 80 fd ff ff e8 3a c2 f7 ff 90 0f 0b 90 e9 9f fd ff ff RSP: 0018:ffffc9000283fb38 EFLAGS: 00010293 RAX: ffffffff819d8ae8 RBX: 00000000fffffff4 RCX: ffff88801e0d8000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: ffff88804398a780 R08: ffffffff819d8864 R09: 1ffff92000507f3c R10: dffffc0000000000 R11: fffff52000507f3d R12: 1ffff110087314f6 R13: ffffc9000283fd50 R14: ffff88804398a7b0 R15: dffffc0000000000 FS: 00007f2bdcfb06c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f37e2c8e6a8 CR3: 000000005552c000 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_ioctl+0x359/0x9a0 kernel/trace/blktrace.c:740 blkdev_ioctl+0x40c/0x6a0 block/ioctl.c:682 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 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: 0033:0x7f2bdc1799b9 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:00007f2bdcfb0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2bdc315f80 RCX: 00007f2bdc1799b9 RDX: 00000000200000c0 RSI: 00000000c0481273 RDI: 0000000000000003 RBP: 00007f2bdcfb0090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f2bdc315f80 R15: 00007ffd999742b8