syzkaller login: [ 46.229753] ------------[ cut here ]------------ [ 46.230714] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.232758] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.234273] Modules linked in: [ 46.234883] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.236912] Tainted: [W]=WARN [ 46.237527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.239024] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.239958] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 46.243180] RSP: 0018:ffff888016b9fbc0 EFLAGS: 00010286 [ 46.244160] RAX: 0000000000000000 RBX: ffffed1002d73f78 RCX: ffffffff813a4050 [ 46.245470] RDX: ffff88800f559bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.246774] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d73f2f [ 46.248074] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.249374] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b9fdf8 [ 46.250674] FS: 00007fd0d7422900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.252145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.253247] CR2: 00007fd0d7914580 CR3: 000000000d3fc000 CR4: 0000000000350ef0 [ 46.254547] Call Trace: [ 46.255028] [ 46.255491] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.256404] ? __create_object+0x59/0x80 [ 46.257211] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.258208] __vmalloc_noprof+0x59/0x60 [ 46.258917] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.259799] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.260742] bpf_prog_alloc+0x39/0x200 [ 46.261515] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.262444] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.263373] do_seccomp+0x349/0x25e0 [ 46.264055] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.264965] ? __pfx_do_seccomp+0x10/0x10 [ 46.265781] ? find_held_lock+0x2b/0x80 [ 46.266566] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.267542] ? static_key_count+0x60/0x80 [ 46.268371] prctl_set_seccomp+0x4e/0x70 [ 46.269185] __do_sys_prctl+0xe6c/0x1d70 [ 46.269956] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.270809] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.271782] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.272772] ? irqentry_exit+0xf3/0x650 [ 46.273569] do_syscall_64+0xbf/0x430 [ 46.274331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.275305] RIP: 0033:0x7fd0d79145cd [ 46.275975] 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 [ 46.279187] RSP: 002b:00007ffe099c97c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.280548] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0d79145cd [ 46.281865] RDX: 0000563e04107e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.283174] RBP: 00007ffe099c9820 R08: 0000000000000000 R09: 00007ffe099c8ec0 [ 46.284462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563e0a5ddad0 [ 46.285768] R13: 00007ffe099c9c50 R14: 0000563e0a5debc0 R15: 0000563e0a5ef780 [ 46.287074] [ 46.287555] irq event stamp: 1751 [ 46.288218] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 46.289763] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 46.291322] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 46.292886] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 46.294436] ---[ end trace 0000000000000000 ]--- [ 49.516105] ------------[ cut here ]------------ [ 49.517006] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.519033] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.520478] Modules linked in: [ 49.521050] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.523030] Tainted: [W]=WARN [ 49.523619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.525080] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.525986] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 49.529083] RSP: 0018:ffff88801672fbc0 EFLAGS: 00010286 [ 49.530041] RAX: 0000000000000000 RBX: ffffed1002ce5f78 RCX: ffffffff813a4050 [ 49.531306] RDX: ffff8880187ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.532554] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce5f2f [ 49.533812] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.535061] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801672fdf8 [ 49.536318] FS: 00007f232ec5f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.537739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.538787] CR2: 00007ffdd143eef8 CR3: 000000001fd78000 CR4: 0000000000350ef0 [ 49.540044] Call Trace: [ 49.540545] [ 49.540948] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.541838] ? __create_object+0x59/0x80 [ 49.542606] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.543561] __vmalloc_noprof+0x59/0x60 [ 49.544301] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.545106] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.546050] bpf_prog_alloc+0x39/0x200 [ 49.546777] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.547696] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.548577] do_seccomp+0x349/0x25e0 [ 49.549308] ? find_held_lock+0x2b/0x80 [ 49.550013] ? do_prlimit+0x310/0x610 [ 49.550749] ? __pfx_do_seccomp+0x10/0x10 [ 49.551528] ? do_raw_spin_unlock+0x53/0x220 [ 49.552341] ? _raw_spin_unlock+0x1e/0x40 [ 49.553063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.554024] ? static_key_count+0x60/0x80 [ 49.554816] prctl_set_seccomp+0x4e/0x70 [ 49.555581] __do_sys_prctl+0xe6c/0x1d70 [ 49.556366] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.557224] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.558196] ? irqentry_exit+0xf3/0x650 [ 49.558904] do_syscall_64+0xbf/0x430 [ 49.559637] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.560573] RIP: 0033:0x7f232f1515cd [ 49.561292] 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 [ 49.564381] RSP: 002b:00007ffdd143d580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.565725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f232f1515cd [ 49.566985] RDX: 0000561e981c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.568258] RBP: 00007ffdd143d5e0 R08: 0000000000000000 R09: 00007ffdd143cc80 [ 49.569520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561eb3091b10 [ 49.570775] R13: 00007ffdd143da10 R14: 0000561eb30922b0 R15: 0000561eb30a66f0 [ 49.572042] [ 49.572495] irq event stamp: 1767 [ 49.573088] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 49.574531] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 49.575748] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 49.576986] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 49.578203] ---[ end trace 0000000000000000 ]--- [ 50.353656] ------------[ cut here ]------------ [ 50.354647] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.356806] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.358370] Modules linked in: [ 50.359003] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.361409] Tainted: [W]=WARN [ 50.362009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.363667] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.364637] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 50.368059] RSP: 0018:ffff888018427bc0 EFLAGS: 00010286 [ 50.369154] RAX: 0000000000000000 RBX: ffffed1003084f78 RCX: ffffffff813a4050 [ 50.370552] RDX: ffff8880161d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.371932] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003084f2f [ 50.373326] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.374684] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018427df8 [ 50.376070] FS: 00007fa74e78e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.377642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.378792] CR2: 00007ffdca3aeef8 CR3: 000000000cb25000 CR4: 0000000000350ef0 [ 50.380178] Call Trace: [ 50.380682] [ 50.381216] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.382182] ? __create_object+0x59/0x80 [ 50.382986] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.384048] __vmalloc_noprof+0x59/0x60 [ 50.384852] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.385826] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.386856] bpf_prog_alloc+0x39/0x200 [ 50.387668] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.388679] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.389685] do_seccomp+0x349/0x25e0 [ 50.390460] ? find_held_lock+0x2b/0x80 [ 50.391282] ? do_prlimit+0x310/0x610 [ 50.392043] ? __pfx_do_seccomp+0x10/0x10 [ 50.392913] ? do_raw_spin_unlock+0x53/0x220 [ 50.393825] ? _raw_spin_unlock+0x1e/0x40 [ 50.394666] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.395718] ? static_key_count+0x60/0x80 [ 50.396575] prctl_set_seccomp+0x4e/0x70 [ 50.397481] __do_sys_prctl+0xe6c/0x1d70 [ 50.398338] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.399285] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.400334] ? irqentry_exit+0xf3/0x650 [ 50.401182] do_syscall_64+0xbf/0x430 [ 50.401937] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.402982] RIP: 0033:0x7fa74ec805cd [ 50.403753] 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 [ 50.407156] RSP: 002b:00007ffdca3addc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.408609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa74ec805cd [ 50.409991] RDX: 0000556e01be7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.411369] RBP: 00007ffdca3ade20 R08: 0000000000000000 R09: 00007ffdca3ad4c0 [ 50.412734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556e1d0852b0 [ 50.414142] R13: 00007ffdca3ae250 R14: 0000556e1d087d20 R15: 0000556e1d0998d0 [ 50.415548] [ 50.415994] irq event stamp: 1791 [ 50.416695] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 50.418348] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 50.419972] softirqs last enabled at (1372): [] handle_softirqs+0x50c/0x770 [ 50.421644] softirqs last disabled at (1363): [] __irq_exit_rcu+0xc4/0x100 [ 50.422974] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64153' (ECDSA) to the list of known hosts. 2025/11/17 16:32:04 fuzzer started 2025/11/17 16:32:04 dialing manager at localhost:37895 2025/11/17 16:32:04 checking machine... 2025/11/17 16:32:04 checking revisions... [ 51.350904] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:32:04 testing simple program... [ 51.435236] cgroup: Unknown subsys name 'net' [ 51.497807] cgroup: Unknown subsys name 'cpuset' [ 51.511721] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:32:03 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff817d97d6 RDX=ffff888015cc5340 RSI=0000000000000008 RDI=ffffffff8664f650 RBP=ffff888017777f48 RSP=ffff888017777f08 R8 =0000000000000000 R9 =ffffed1002b98a68 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=00000000000000ca R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81b2de38 RFL=00000056 [---ZAP-] 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 00007fa664f97700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f232f214650 CR3=000000000b710000 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=2033303a32333a363120373120766f4e XMM01=657463656e6e6f63736944203a5d3933 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3933325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033303a32333a3631203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffffffff885ac820 RCX=ffffffff81b16cac RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000005 RBP=00000000000d2cc0 RSP=ffff88800cb2f758 R8 =0000000000000000 R9 =dffffc0000000000 R10=0000000000000001 R11=0000000000000001 R12=1ffff11001965eed R13=0000000000000000 R14=ffffffff885ac824 R15=0000000000000000 RIP=ffffffff81751764 RFL=00000246 [---Z-P-] 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 00007f232ec5f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdd1437000 CR3=000000001fcf5000 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