------------[ cut here ]------------ WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.1/285 Modules linked in: CPU: 0 UID: 0 PID: 285 Comm: syz-executor.1 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:mntput_no_expire+0x78e/0xbe0 Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b RSP: 0018:ffff888015d57ce0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff11002baafa1 RCX: ffffffff81bf96d3 RDX: ffff888014920000 RSI: ffffffff81bf96dd RDI: 0000000000000005 RBP: ffff88801fca9500 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888015d57d48 R13: 00000000ffffffff R14: ffff88801fca9500 R15: ffff88801fca95e8 FS: 000055556b3eb400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e452de000 CR3: 0000000042c93000 CR4: 0000000000350ef0 Call Trace: path_umount+0x6e0/0x1100 __x64_sys_umount+0x15c/0x190 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6425124f87 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007ffc95d9cbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f6425124f87 RDX: 00007ffc95d9cc89 RSI: 000000000000000a RDI: 00007ffc95d9cc80 RBP: 00007ffc95d9cc80 R08: 00000000ffffffff R09: 00007ffc95d9ca50 R10: 000055556b3ecc7b R11: 0000000000000246 R12: 00007f642517d105 R13: 00007ffc95d9dd40 R14: 000055556b3ecc20 R15: 00007ffc95d9dd80 irq event stamp: 166481 hardirqs last enabled at (166491): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (166498): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (166512): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (166507): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop6: detected capacity change from 0 to 240 audit: type=1400 audit(1756463185.002:8): avc: denied { open } for pid=3963 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 audit: type=1400 audit(1756463185.002:9): avc: denied { kernel } for pid=3963 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 loop1: detected capacity change from 0 to 240 ------------[ cut here ]------------ WARNING: fs/namespace.c:1375 at cleanup_mnt+0x33f/0x430, CPU#1: syz-executor.6/3974 Modules linked in: CPU: 1 UID: 0 PID: 3974 Comm: syz-executor.6 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:cleanup_mnt+0x33f/0x430 Code: c7 a0 45 d1 85 e8 01 7c fa 02 49 8d 7d 40 5b 48 c7 c6 10 e2 be 81 5d 41 5c 41 5d 41 5e 41 5f e9 57 b3 9c ff e8 82 46 b4 ff 90 <0f> 0b 90 e9 e6 fc ff ff e8 74 46 b4 ff 4c 89 ef e8 6c d7 06 00 e9 RSP: 0018:ffff88801bec7af8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffffffff81bf9de5 RDX: ffff88800ef88000 RSI: ffffffff81bfa0fe RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000008 R11: 0000000000000001 R12: ffff88800ef888d8 R13: ffff88801e701c00 R14: 0000000000000001 R15: ffff88801e701c40 FS: 0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffb8 CR3: 00000000364cb000 CR4: 0000000000350ef0 Call Trace: task_work_run+0x172/0x280 do_exit+0x846/0x2970 do_group_exit+0xd3/0x2a0 get_signal+0x2315/0x2340 arch_do_signal_or_restart+0x80/0x790 irqentry_exit_to_user_mode+0x106/0x1c0 exc_page_fault+0xd9/0x180 asm_exc_page_fault+0x26/0x30 RIP: 0033:0x7f3e9a89d436 Code: Unable to access opcode bytes at 0x7f3e9a89d40c. RSP: 002b:00007f3e97e6c1a0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f3e9aa09f60 RCX: 00007f3e9aa09f60 RDX: 0000000000000000 RSI: 00007f3e9a89d42e RDI: 00000000200002c0 RBP: 00007f3e9a950f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd88d92e0f R14: 00007f3e97e6c300 R15: 0000000000022000 irq event stamp: 1593 hardirqs last enabled at (1601): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1616): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.6/283 Modules linked in: CPU: 0 UID: 0 PID: 283 Comm: syz-executor.6 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:mntput_no_expire+0x78e/0xbe0 Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b RSP: 0018:ffff888017b9fce0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff11002f73fa1 RCX: ffffffff81bf96d3 RDX: ffff88801bec9b80 RSI: ffffffff81bf96dd RDI: 0000000000000005 RBP: ffff88801e701a40 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888017b9fd48 R13: 00000000ffffffff R14: ffff88801e701a40 R15: ffff88801e701b28 FS: 0000555564783400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556478cc58 CR3: 000000003fc99000 CR4: 0000000000350ef0 Call Trace: path_umount+0x6e0/0x1100 __x64_sys_umount+0x15c/0x190 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3e9a8f7f87 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007ffd88d91f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f3e9a8f7f87 RDX: 00007ffd88d92029 RSI: 000000000000000a RDI: 00007ffd88d92020 RBP: 00007ffd88d92020 R08: 00000000ffffffff R09: 00007ffd88d91df0 R10: 0000555564784c7b R11: 0000000000000246 R12: 00007f3e9a950105 R13: 00007ffd88d930e0 R14: 0000555564784c20 R15: 00007ffd88d93120 irq event stamp: 164379 hardirqs last enabled at (164387): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (164396): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (164018): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (164415): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop6: detected capacity change from 0 to 240 kmemleak: Automatic memory scanning thread ended Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 1 UID: 0 PID: 4001 Comm: syz-executor.7 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:ffff888046967800 EFLAGS: 00010212 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc900029f6000 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff888046967a70 R08: ffff88806cf31340 R09: ffffe8ffffd15dc0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000 FS: 00007febde5e2700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007febe1180018 CR3: 000000001fd74000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 futex_ref_get+0x119/0x300 futex_hash+0x70/0x390 futex_wake+0x143/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febe106cb19 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:00007febde5e2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007febe117ff68 RCX: 00007febe106cb19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007febe117ff6c RBP: 00007febe117ff60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007febe117ff6c R13: 00007fffa1899baf R14: 00007febde5e2300 R15: 0000000000022000 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#2] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] CPU: 0 UID: 0 PID: 4000 Comm: syz-executor.6 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [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:ffff888046ad7800 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 RDX: ffff888017ff3700 RSI: ffffffff818995b7 RDI: 0000000100000190 RBP: ffff888046ad7a70 R08: ffff88806ce31340 R09: ffffe8ffffc15dc0 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000555564783400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555564784c18 CR3: 0000000044fcc000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 futex_ref_get+0x119/0x300 futex_hash+0x70/0x390 futex_wake+0x143/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3e9a8f6b19 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:00007ffd88d92e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e9a8f6b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3e9aa09f68 RBP: 00007f3e9aa09f60 R08: 00007f3e97e6c700 R09: 0000000000000000 R10: 00007f3e97e6c700 R11: 0000000000000246 R12: 00007f3e9aa0e0a0 R13: 00007ffd88d92f90 R14: 00007f3e9aa09f60 R15: 000000000001c86b Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 1 UID: 0 PID: 4001 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [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:ffff88806cf08a80 EFLAGS: 00010012 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 RDX: ffff888044545280 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff88806cf08cf0 R08: ffff88806cf31490 R09: ffffe8ffffd15dc0 R10: 0000000000000000 R11: ffff88806cf37018 R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806cf31490 R15: dffffc0000000000 FS: 00007febde5e2700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007febe1180018 CR3: 000000001fd74000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 _raw_spin_unlock+0x16/0x40 sched_ttwu_pending+0x2e0/0x4a0 __flush_smp_call_function_queue+0x434/0x740 __sysvec_call_function_single+0x6d/0x370 sysvec_call_function_single+0xa1/0xc0 asm_sysvec_call_function_single+0x1a/0x20 RIP: 0010:oops_exit+0x0/0x50 Code: f1 39 00 be ff ff ff ff 48 c7 c7 50 ac 43 86 e8 c6 0f f9 ff 5b e9 20 f1 39 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 53 e8 06 f1 39 00 8b 1d c0 ed 4e 06 31 ff 89 de e8 27 RSP: 0018:ffff888046967690 EFLAGS: 00000202 RAX: 000000000002c4ac RBX: 0000000000000216 RCX: ffffc900029f6000 RDX: 0000000000040000 RSI: ffffffff812a3dca RDI: 0000000000000007 RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f11c90 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888046967758 R13: 0000000000000000 R14: dffffc0000000032 R15: 0000000000000000 oops_end+0x65/0xe0 exc_general_protection+0x1a2/0x330 asm_exc_general_protection+0x26/0x30 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:ffff888046967800 EFLAGS: 00010212 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc900029f6000 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff888046967a70 R08: ffff88806cf31340 R09: ffffe8ffffd15dc0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000 perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 futex_ref_get+0x119/0x300 futex_hash+0x70/0x390 futex_wake+0x143/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7febe106cb19 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:00007febde5e2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007febe117ff68 RCX: 00007febe106cb19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007febe117ff6c RBP: 00007febe117ff60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007febe117ff6c R13: 00007fffa1899baf R14: 00007febde5e2300 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:perf_tp_event+0x175/0xe70 KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] 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 CPU: 0 UID: 0 PID: 4000 Comm: syz-executor.6 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) RSP: 0018:ffff888046967800 EFLAGS: 00010212 Tainted: [D]=DIE, [W]=WARN RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc900029f6000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000000000191 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff888046967a70 R08: ffff88806cf31340 R09: ffffe8ffffd15dc0 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: dffffc0000000000 RSP: 0018:ffff88806ce08a80 EFLAGS: 00010012 R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 FS: 00007febde5e2700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 RDX: ffff888017ff3700 RSI: ffffffff818995b7 RDI: 0000000100000190 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc15dc0 CR2: 00007febe1180018 CR3: 000000001fd74000 CR4: 0000000000350ef0 R10: 0000000000000000 R11: 746e756f63716573 R12: dffffc0000000000 ---------------- 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