Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.268936] ------------[ cut here ]------------ [ 39.269865] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.271845] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.273360] Modules linked in: [ 39.273966] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.276218] Tainted: [W]=WARN [ 39.276773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.278295] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.279210] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.282378] RSP: 0018:ffff888019c5fbc0 EFLAGS: 00010286 [ 39.283363] RAX: 0000000000000000 RBX: ffffed100338bf78 RCX: ffffffff813a4050 [ 39.284654] RDX: ffff888014330000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.285935] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100338bf2f [ 39.287209] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.288500] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c5fdf8 [ 39.289779] FS: 00007f6680010900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.291206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.292251] CR2: 00007fff25104ef7 CR3: 0000000019d2a000 CR4: 0000000000350ef0 [ 39.293536] Call Trace: [ 39.294006] [ 39.294453] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.295355] ? __create_object+0x59/0x80 [ 39.296135] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.297100] __vmalloc_noprof+0x59/0x60 [ 39.297824] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.298679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.299606] bpf_prog_alloc+0x39/0x200 [ 39.300359] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.301306] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.302195] do_seccomp+0x349/0x25e0 [ 39.302862] ? find_held_lock+0x2b/0x80 [ 39.303609] ? do_prlimit+0x310/0x610 [ 39.304351] ? __pfx_do_seccomp+0x10/0x10 [ 39.305151] ? do_raw_spin_unlock+0x53/0x220 [ 39.305931] ? _raw_spin_unlock+0x1e/0x40 [ 39.306720] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.307665] ? static_key_count+0x60/0x80 [ 39.308471] prctl_set_seccomp+0x4e/0x70 [ 39.309268] __do_sys_prctl+0xe6c/0x1d70 [ 39.309994] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.310843] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.311793] ? irqentry_exit+0xf3/0x650 [ 39.312545] do_syscall_64+0xbf/0x430 [ 39.313294] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.314241] RIP: 0033:0x7f66805025cd [ 39.314891] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.318031] RSP: 002b:00007fff25103650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.319417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66805025cd [ 39.320687] RDX: 00005628ec4cae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.321979] RBP: 00007fff251036b0 R08: 0000000000000000 R09: 00007fff25102d50 [ 39.323251] R10: 0000000000000000 R11: 0000000000000246 R12: 00005628fa27eb10 [ 39.324529] R13: 00007fff25103ae0 R14: 00005628fa27f2b0 R15: 00005628fa2936f0 [ 39.325837] [ 39.326300] irq event stamp: 1873 [ 39.326896] hardirqs last enabled at (1881): [] __up_console_sem+0x78/0x80 [ 39.328409] hardirqs last disabled at (1890): [] __up_console_sem+0x5d/0x80 [ 39.329916] softirqs last enabled at (1870): [] handle_softirqs+0x50c/0x770 [ 39.331456] softirqs last disabled at (1865): [] __irq_exit_rcu+0xc4/0x100 [ 39.332954] ---[ end trace 0000000000000000 ]--- [ 42.387934] ------------[ cut here ]------------ [ 42.388958] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.391173] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.392972] Modules linked in: [ 42.393754] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.396032] Tainted: [W]=WARN [ 42.396675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.398235] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.399185] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.402528] RSP: 0018:ffff8880176efbc0 EFLAGS: 00010286 [ 42.403588] RAX: 0000000000000000 RBX: ffffed1002eddf78 RCX: ffffffff813a4050 [ 42.404939] RDX: ffff88801435d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.406301] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eddf2f [ 42.407660] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.408993] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176efdf8 [ 42.410349] FS: 00007f166cb57900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.411843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.412954] CR2: 00007ffeee7e6ef7 CR3: 000000001fede000 CR4: 0000000000350ef0 [ 42.414296] Call Trace: [ 42.414781] [ 42.415262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.416206] ? __create_object+0x59/0x80 [ 42.416974] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.418010] __vmalloc_noprof+0x59/0x60 [ 42.418782] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.419684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.420649] bpf_prog_alloc+0x39/0x200 [ 42.421434] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.422383] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.423628] do_seccomp+0x349/0x25e0 [ 42.424379] ? find_held_lock+0x2b/0x80 [ 42.425194] ? do_prlimit+0x310/0x610 [ 42.426011] ? __pfx_do_seccomp+0x10/0x10 [ 42.426892] ? do_raw_spin_unlock+0x53/0x220 [ 42.427842] ? _raw_spin_unlock+0x1e/0x40 [ 42.428644] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.429646] ? static_key_count+0x60/0x80 [ 42.430465] prctl_set_seccomp+0x4e/0x70 [ 42.431271] __do_sys_prctl+0xe6c/0x1d70 [ 42.432040] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.432931] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.433945] ? irqentry_exit+0xf3/0x650 [ 42.434885] do_syscall_64+0xbf/0x430 [ 42.435652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.436737] RIP: 0033:0x7f166d0495cd [ 42.437618] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.440974] RSP: 002b:00007ffeee7e5ca0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.442380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f166d0495cd [ 42.443707] RDX: 0000562a1c6d6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.445010] RBP: 00007ffeee7e5d00 R08: 0000000000000000 R09: 00007ffeee7e53a0 [ 42.446318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562a544c52b0 [ 42.447601] R13: 00007ffeee7e6130 R14: 0000562a544c7d20 R15: 0000562a544d98d0 [ 42.448920] [ 42.449398] irq event stamp: 1823 [ 42.450014] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 42.451590] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 42.453145] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 42.454710] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 42.456249] ---[ end trace 0000000000000000 ]--- [ 43.298856] ------------[ cut here ]------------ [ 43.299823] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.301834] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.303298] Modules linked in: [ 43.303895] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.306165] Tainted: [W]=WARN [ 43.306728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.308286] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.309211] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.312379] RSP: 0018:ffff888019d5fbc0 EFLAGS: 00010286 [ 43.313377] RAX: 0000000000000000 RBX: ffffed10033abf78 RCX: ffffffff813a4050 [ 43.314672] RDX: ffff888014358000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.315964] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033abf2f [ 43.317264] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.318551] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d5fdf8 [ 43.319848] FS: 00007f3ea0a95900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.321301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.322381] CR2: 00007f3ea0f87580 CR3: 0000000020434000 CR4: 0000000000350ef0 [ 43.323681] Call Trace: [ 43.324198] [ 43.324617] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.325564] ? __create_object+0x59/0x80 [ 43.326379] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.327364] __vmalloc_noprof+0x59/0x60 [ 43.328159] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.329004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.329965] bpf_prog_alloc+0x39/0x200 [ 43.330711] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.331655] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.332571] do_seccomp+0x349/0x25e0 [ 43.333314] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.334238] ? __pfx_do_seccomp+0x10/0x10 [ 43.335001] ? find_held_lock+0x2b/0x80 [ 43.335775] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.336759] ? static_key_count+0x60/0x80 [ 43.337589] prctl_set_seccomp+0x4e/0x70 [ 43.338384] __do_sys_prctl+0xe6c/0x1d70 [ 43.339179] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.340007] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.340990] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.341996] ? irqentry_exit+0xf3/0x650 [ 43.342792] do_syscall_64+0xbf/0x430 [ 43.343571] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.344562] RIP: 0033:0x7f3ea0f875cd [ 43.345298] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.348526] RSP: 002b:00007ffed7aff390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.349917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ea0f875cd [ 43.351232] RDX: 000055dc90bf0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.352540] RBP: 00007ffed7aff3f0 R08: 0000000000000000 R09: 00007ffed7afea90 [ 43.353858] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dcb38c3ad0 [ 43.355179] R13: 00007ffed7aff820 R14: 000055dcb38c4bc0 R15: 000055dcb38d5780 [ 43.356530] [ 43.356970] irq event stamp: 1829 [ 43.357645] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 43.359209] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 43.360763] softirqs last enabled at (1374): [] handle_softirqs+0x50c/0x770 [ 43.362361] softirqs last disabled at (1351): [] __irq_exit_rcu+0xc4/0x100 [ 43.363886] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44704' (ECDSA) to the list of known hosts. 2025/11/19 04:49:19 fuzzer started 2025/11/19 04:49:20 dialing manager at localhost:34383 2025/11/19 04:49:20 checking machine... 2025/11/19 04:49:20 checking revisions... [ 44.310036] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:49:20 testing simple program... [ 44.412914] cgroup: Unknown subsys name 'net' [ 44.476367] cgroup: Unknown subsys name 'cpuset' [ 44.492597] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:49:19 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff8175a7c7 RDX=ffff888016070000 RSI=ffffffff8175a708 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff88806ce089f8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e786a8 R15=ffff88800945d3c0 RIP=ffffffff81751e08 RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f166cb57900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeee7df000 CR3=000000001fe3b000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000015 RBX=0000000000000001 RCX=ffffffff81204b69 RDX=0000000000000015 RSI=ffffffff869da142 RDI=ffffffff86691ac8 RBP=ffffffff86691ac8 RSP=ffff888009757788 R8 =ffffffff869da142 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000054b R12=ffffffff86691b18 R13=ffffffff86691ac8 R14=ffffffff86691ac8 R15=dffffc0000000000 RIP=ffffffff8135da79 RFL=00000283 [--S---C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbfa0234020 CR3=000000000bd8f000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=39343a343020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363239 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000