sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer Oops: general protection fault, probably for non-canonical address 0xffffffff81893f: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 3965 Comm: syz-executor.0 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:retbleed_return_thunk+0x0/0x10 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffff8880475576d0 EFLAGS: 00010046 RAX: 00ffffffff81893f RBX: ffff888009648c81 RCX: ffffc9000088e000 RDX: ffff88806ce31340 RSI: ffff888047557840 RDI: ffff888009648c81 RBP: ffff888009648dcd R08: 0000000000000001 R09: ffffed10012c9226 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff8880096490c5 FS: 00007f2c7ef2d700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ba4e136080 CR3: 000000001e737000 CR4: 0000000000350ef0 Call Trace: Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI RIP: 0010:retbleed_return_thunk+0x0/0x10 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 CPU: 1 UID: 0 PID: 3976 Comm: syz-executor.1 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880475576d0 EFLAGS: 00010046 Tainted: [D]=DIE, [W]=WARN RAX: 00ffffffff81893f RBX: ffff888009648c81 RCX: ffffc9000088e000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff88806ce31340 RSI: ffff888047557840 RDI: ffff888009648c81 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff888009648dcd R08: 0000000000000001 R09: ffffed10012c9226 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 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 RSP: 0018:ffff888016307780 EFLAGS: 00010012 R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff8880096490c5 FS: 00007f2c7ef2d700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: ffff888016de9b80 RSI: ffffffff818995b7 RDI: 0000000100000190 CR2: 000055ba4e136080 CR3: 000000001e737000 CR4: 0000000000350ef0 RBP: ffff8880163079f0 R08: ffff88806cf31340 R09: ffffe8ffffd15cf0 note: syz-executor.0[3965] exited with irqs disabled R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000 FS: 000055557995e400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557995fc18 CR3: 000000000d800000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 _raw_spin_lock_irqsave+0x53/0x60 try_to_wake_up+0xa0/0x11d0 wake_up_q+0xa1/0x130 futex_wake+0x47e/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3136ff7b19 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:00007ffe07e231b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3136ff7b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f313710af68 RBP: 00007f313710af60 R08: 00007f313456d700 R09: 0000000000000000 R10: 00007f313456d700 R11: 0000000000000246 R12: 00007f313710fa68 R13: 00007ffe07e232c0 R14: 00007f313710af60 R15: 000000000002343c Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xfdfffc0000000032: 0000 [#3] SMP KASAN NOPTI RIP: 0010:retbleed_return_thunk+0x0/0x10 KASAN: maybe wild-memory-access in range [0xf000000000000190-0xf000000000000197] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 CPU: 0 UID: 0 PID: 3965 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880475576d0 EFLAGS: 00010046 Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RAX: 00ffffffff81893f RBX: ffff888009648c81 RCX: ffffc9000088e000 RIP: 0010:perf_tp_event+0x175/0xe70 RDX: ffff88806ce31340 RSI: ffff888047557840 RDI: ffff888009648c81 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 RBP: ffff888009648dcd R08: 0000000000000001 R09: ffffed10012c9226 RSP: 0018:ffff88806ce08b40 EFLAGS: 00010012 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 RAX: 1e00000000000032 RBX: efffffffffffffa0 RCX: ffffffff81898a44 R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff8880096490c5 RDX: ffff8880178fd280 RSI: ffffffff818995b7 RDI: f000000000000190 FS: 000055557995e400(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 RBP: ffff88806ce08db0 R08: ffff88806ce313e8 R09: ffffe8ffffc15cf0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: 0000000000000001 R11: 0000000000025129 R12: dffffc0000000000 CR2: 000055557995fc18 CR3: 000000000d800000 CR4: 0000000000350ef0 R13: 0000000000000000 R14: ffff88806ce313e8 R15: dffffc0000000000 note: syz-executor.1[3976] exited with irqs disabled FS: 00007f2c7ef2d700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ba4e136080 CR3: 000000001e737000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_disable.constprop.0+0xa6/0x100 _raw_spin_lock_irq+0x42/0x50 run_timer_softirq+0x10f/0x210 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:make_task_dead+0xa2/0x3b0 Code: 38 00 85 db 0f 84 21 01 00 00 e8 d9 96 38 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 27 92 38 00 48 85 db 0f 84 17 01 00 00 b9 96 38 00 31 ff 65 8b 1d 60 df 48 06 81 e3 ff ff ff 7f 89 de RSP: 0018:ffff888047557f28 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff8880178fd280 RCX: ffffffff817c2b86 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234 RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8643ac57 R11: 3030303030302043 R12: ffff8880178fd280 R13: 0000000000000000 R14: 00ffffffff81893f R15: 0000000000000000 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f2c819b7b19 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:00007f2c7ef2d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f2c81acaf68 RCX: 00007f2c819b7b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f2c81acaf6c RBP: 00007f2c81acaf60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007f2c81acaf6c R13: 00007ffca4a339bf R14: 00007f2c7ef2d300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#4] SMP KASAN NOPTI RIP: 0010:retbleed_return_thunk+0x0/0x10 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc f6 cc 0f ae e8 eb f9 cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 CPU: 1 UID: 0 PID: 3976 Comm: syz-executor.1 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff8880475576d0 EFLAGS: 00010046 Tainted: [D]=DIE, [W]=WARN RAX: 00ffffffff81893f RBX: ffff888009648c81 RCX: ffffc9000088e000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: ffff88806ce31340 RSI: ffff888047557840 RDI: ffff888009648c81 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff888009648dcd R08: 0000000000000001 R09: ffffed10012c9226 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 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 RSP: 0018:ffff88806cf08b40 EFLAGS: 00010012 R13: ffff88806ce31340 R14: 0000000000000000 R15: ffff8880096490c5 FS: 00007f2c7ef2d700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: ffff888016de9b80 RSI: ffffffff818995b7 RDI: 0000000100000190 CR2: 000055ba4e136080 CR3: 000000001e737000 CR4: 0000000000350ef0 RBP: ffff88806cf08db0 R08: ffff88806cf313e8 R09: ffffe8ffffd15cf0 ---------------- 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