Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#1] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] CPU: 1 UID: 0 PID: 252 Comm: syz-fuzzer Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:perf_tp_event+0x175/0xe70 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff88806cf08740 EFLAGS: 00010012 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 RDX: ffff888018ef1b80 RSI: ffffffff818995b7 RDI: 0000000100000190 RBP: ffff88806cf089b0 R08: ffff88806cf313e8 R09: ffffe8ffffd15a80 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000 FS: 000000c000030090(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001f26ca0 CR3: 00000000201c1000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 __folio_end_writeback+0x5b3/0xae0 folio_end_writeback+0x11f/0x430 ext4_finish_bio+0x709/0x940 ext4_end_bio+0x14b/0x580 bio_endio+0x5ad/0x6b0 blk_update_request+0x2c5/0x1060 scsi_end_request+0x7a/0xa00 scsi_io_completion+0xbf/0x1640 scsi_complete+0x114/0x380 blk_complete_reqs+0xb2/0xf0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_call_function_single+0xa6/0xc0 asm_sysvec_call_function_single+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x80 Code: 5d e9 a0 1f 4a 03 48 c7 c0 f4 ff ff ff eb 92 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b 34 24 65 48 8b 15 88 48 10 06 65 8b 05 99 48 10 06 a9 00 01 RSP: 0018:ffff888016e9fd70 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 1ffff11002dd3fb4 RCX: ffffffff8162095c RDX: ffff888018ef1b80 RSI: ffffffff8161c694 RDI: ffff888016e9fdd0 RBP: ffff888016e9fdd0 R08: 0000000000000001 R09: ffffed1002dd3fc6 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000001 R14: dffffc0000000000 R15: 0000000000000000 trace_hrtimer_setup+0x1b/0x1c0 hrtimer_nanosleep+0x8f/0x340 __x64_sys_nanosleep+0x212/0x2a0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x465f2d Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc cc cc cc b8 ba 00 RSP: 002b:000000c00003ff18 EFLAGS: 00000212 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000000465f2d RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00003ff18 RBP: 000000c00003ff28 R08: 0000000000002ecb R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000438880 R13: 000000000123be80 R14: 0000000000000007 R15: 0000000000000007 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:perf_tp_event+0x175/0xe70 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff88806cf08740 EFLAGS: 00010012 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 RDX: ffff888018ef1b80 RSI: ffffffff818995b7 RDI: 0000000100000190 RBP: ffff88806cf089b0 R08: ffff88806cf313e8 R09: ffffe8ffffd15a80 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000 FS: 000000c000030090(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001f26ca0 CR3: 00000000201c1000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: 85 a8 fd ff ff 48 test %ebp,0x48fffffd(%rax) 9: c1 e8 03 shr $0x3,%eax c: 4c 01 e0 add %r12,%rax f: 48 89 85 c8 fd ff ff mov %rax,-0x238(%rbp) 16: e8 c9 51 ea ff callq 0xffea51e4 1b: 48 8d bb f0 01 00 00 lea 0x1f0(%rbx),%rdi 22: 48 89 f8 mov %rdi,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e c5 0b 00 00 jle 0xbff 3a: 44 rex.R 3b: 8b .byte 0x8b 3c: ab stos %eax,%es:(%rdi) 3d: f0 lock 3e: 01 .byte 0x1