syzkaller login: [ 45.741517] ------------[ cut here ]------------ [ 45.742513] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.744631] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 45.746124] Modules linked in: [ 45.746780] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.749037] Tainted: [W]=WARN [ 45.750135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.751652] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.752587] 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 [ 45.755877] RSP: 0018:ffff88801424fbc0 EFLAGS: 00010286 [ 45.756890] RAX: 0000000000000000 RBX: ffffed1002849f78 RCX: ffffffff813a4050 [ 45.758221] RDX: ffff888019a28000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.759548] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002849f2f [ 45.760890] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.762213] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801424fdf8 [ 45.763547] FS: 00007f52b20bb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.765040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.766137] CR2: 00007ffe86b67ef7 CR3: 0000000014213000 CR4: 0000000000350ef0 [ 45.767479] Call Trace: [ 45.767962] [ 45.768433] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.769347] ? __create_object+0x59/0x80 [ 45.770105] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.771105] __vmalloc_noprof+0x59/0x60 [ 45.771881] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.772762] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.773726] bpf_prog_alloc+0x39/0x200 [ 45.774494] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.775460] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.776409] do_seccomp+0x349/0x25e0 [ 45.777102] ? find_held_lock+0x2b/0x80 [ 45.777887] ? do_prlimit+0x310/0x610 [ 45.778650] ? __pfx_do_seccomp+0x10/0x10 [ 45.779467] ? do_raw_spin_unlock+0x53/0x220 [ 45.780337] ? _raw_spin_unlock+0x1e/0x40 [ 45.781074] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.782033] ? static_key_count+0x60/0x80 [ 45.782828] prctl_set_seccomp+0x4e/0x70 [ 45.783691] __do_sys_prctl+0xe6c/0x1d70 [ 45.784597] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.785604] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.786675] ? irqentry_exit+0xf3/0x650 [ 45.787448] do_syscall_64+0xbf/0x430 [ 45.788217] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.789119] RIP: 0033:0x7f52b25ad5cd [ 45.789835] 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 [ 45.793024] RSP: 002b:00007ffe86b66270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.794498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52b25ad5cd [ 45.795850] RDX: 0000561f9897fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.797187] RBP: 00007ffe86b662d0 R08: 0000000000000000 R09: 00007ffe86b65970 [ 45.798511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561fb04f8ad0 [ 45.799900] R13: 00007ffe86b66700 R14: 0000561fb04f9bc0 R15: 0000561fb050a780 [ 45.801321] [ 45.801757] irq event stamp: 1901 [ 45.802431] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 45.803963] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 45.805487] softirqs last enabled at (1880): [] handle_softirqs+0x50c/0x770 [ 45.807009] softirqs last disabled at (1875): [] __irq_exit_rcu+0xc4/0x100 [ 45.808538] ---[ end trace 0000000000000000 ]--- [ 49.363816] ------------[ cut here ]------------ [ 49.364747] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.366676] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.368073] Modules linked in: [ 49.368686] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.370571] Tainted: [W]=WARN [ 49.371100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.372500] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.373372] 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 [ 49.376367] RSP: 0018:ffff8880174c7bc0 EFLAGS: 00010286 [ 49.377298] RAX: 0000000000000000 RBX: ffffed1002e98f78 RCX: ffffffff813a4050 [ 49.378512] RDX: ffff88801424b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.379729] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e98f2f [ 49.380945] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.382186] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174c7df8 [ 49.383397] FS: 00007f4507712900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.384755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.385759] CR2: 00007f4507c04580 CR3: 000000000d445000 CR4: 0000000000350ef0 [ 49.386985] Call Trace: [ 49.387472] [ 49.387870] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.388730] ? __create_object+0x59/0x80 [ 49.389482] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.390399] __vmalloc_noprof+0x59/0x60 [ 49.391073] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.391935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.392820] bpf_prog_alloc+0x39/0x200 [ 49.393523] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.394412] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.395277] do_seccomp+0x349/0x25e0 [ 49.395928] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.396790] ? __pfx_do_seccomp+0x10/0x10 [ 49.397541] ? find_held_lock+0x2b/0x80 [ 49.398264] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.399134] ? static_key_count+0x60/0x80 [ 49.399913] prctl_set_seccomp+0x4e/0x70 [ 49.400659] __do_sys_prctl+0xe6c/0x1d70 [ 49.401404] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.402230] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.403110] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.404043] ? irqentry_exit+0xf3/0x650 [ 49.404773] do_syscall_64+0xbf/0x430 [ 49.405469] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.406376] RIP: 0033:0x7f4507c045cd [ 49.407002] 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 [ 49.410009] RSP: 002b:00007ffe83e4abf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.411314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4507c045cd [ 49.412535] RDX: 0000558ab52d7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.413761] RBP: 00007ffe83e4ac50 R08: 0000000000000000 R09: 00007ffe83e4a2f0 [ 49.414978] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558ad05bdb10 [ 49.416206] R13: 00007ffe83e4b080 R14: 0000558ad05be2b0 R15: 0000558ad05d26f0 [ 49.417441] [ 49.417844] irq event stamp: 1797 [ 49.418480] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 49.419934] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 49.421395] softirqs last enabled at (1810): [] handle_softirqs+0x50c/0x770 [ 49.422857] softirqs last disabled at (1805): [] __irq_exit_rcu+0xc4/0x100 [ 49.424311] ---[ end trace 0000000000000000 ]--- [ 50.277329] ------------[ cut here ]------------ [ 50.278218] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.280107] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/257 [ 50.281513] Modules linked in: [ 50.282065] CPU: 1 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.283992] Tainted: [W]=WARN [ 50.284568] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.285959] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.286827] 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 [ 50.289829] RSP: 0018:ffff8880177cfbc0 EFLAGS: 00010286 [ 50.290751] RAX: 0000000000000000 RBX: ffffed1002ef9f78 RCX: ffffffff813a4050 [ 50.291974] RDX: ffff888009883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.293195] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ef9f2f [ 50.294408] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.295616] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177cfdf8 [ 50.296847] FS: 00007f995f2d3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.298208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.299168] CR2: 00007f995f7c5580 CR3: 000000000d9ee000 CR4: 0000000000350ef0 [ 50.300426] Call Trace: [ 50.300863] [ 50.301305] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.302107] ? __create_object+0x59/0x80 [ 50.302855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.303784] __vmalloc_noprof+0x59/0x60 [ 50.304510] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.305338] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.306221] bpf_prog_alloc+0x39/0x200 [ 50.306874] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.307768] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.308629] do_seccomp+0x349/0x25e0 [ 50.309315] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.310126] ? __pfx_do_seccomp+0x10/0x10 [ 50.310873] ? find_held_lock+0x2b/0x80 [ 50.311599] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.312534] ? static_key_count+0x60/0x80 [ 50.313303] prctl_set_seccomp+0x4e/0x70 [ 50.313994] __do_sys_prctl+0xe6c/0x1d70 [ 50.314741] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.315567] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.316501] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.317427] ? irqentry_exit+0xf3/0x650 [ 50.318110] do_syscall_64+0xbf/0x430 [ 50.318809] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.319713] RIP: 0033:0x7f995f7c55cd [ 50.320390] 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 [ 50.323381] RSP: 002b:00007ffecd528f40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.324682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f995f7c55cd [ 50.325914] RDX: 0000558436bcae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.327119] RBP: 00007ffecd528fa0 R08: 0000000000000000 R09: 00007ffecd528640 [ 50.328350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558468854ad0 [ 50.329561] R13: 00007ffecd5293d0 R14: 0000558468855bc0 R15: 0000558468866780 [ 50.330805] [ 50.331260] irq event stamp: 1747 [ 50.331840] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 50.333268] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 50.334710] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 50.336194] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 50.337630] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9678' (ECDSA) to the list of known hosts. 2025/11/18 16:38:35 fuzzer started 2025/11/18 16:38:35 dialing manager at localhost:34383 2025/11/18 16:38:35 checking machine... 2025/11/18 16:38:35 checking revisions... [ 51.187610] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:38:36 testing simple program... [ 51.292716] cgroup: Unknown subsys name 'net' [ 51.369856] cgroup: Unknown subsys name 'cpuset' [ 51.385899] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:38:35 Registers: info registers vcpu 0 RAX=ffff8880142b7801 RBX=ffff8880142b78e0 RCX=0000000000000001 RDX=ffff8880142b8001 RSI=ffff8880142b78d0 RDI=ffff88806ce08a80 RBP=ffff8880142b0000 RSP=ffff88806ce08a00 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000028e8d R12=ffff88806ce08a01 R13=ffff88806ce08ab8 R14=ffff8880142b78d0 R15=ffff88806ce08a70 RIP=ffffffff8135fbfc 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 00007fd5a6863900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff0015f968 CR3=000000000d4cc000 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=2034333a38333a363120383120766f4e XMM01=657463656e6e6f63736944203a5d3934 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3934325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034333a38333a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000469 RBX=ffff88800fc61bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800fc62640 RDI=ffff88800fc62618 RBP=ffff88800fc62618 RSP=ffff888016fb7288 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800fc62640 R13=6c18ad438a05949e R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000007 [-----PC] 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 00007f268c46b700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe83e44000 CR3=000000000c1cb000 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=00000000000000000000000000000000 XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3934325b646873732034333a3833 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383534 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000