[ 38.886326] ------------[ cut here ]------------ [ 38.886855] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.887844] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.888544] Modules linked in: [ 38.888833] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.889792] Tainted: [W]=WARN [ 38.890058] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.890759] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.891190] 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 [ 38.892752] RSP: 0018:ffff888016ebfbc0 EFLAGS: 00010286 [ 38.893207] RAX: 0000000000000000 RBX: ffffed1002dd7f78 RCX: ffffffff813a4050 [ 38.893831] RDX: ffff88801a3cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.894451] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd7f2f [ 38.895038] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.895652] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ebfdf8 [ 38.896245] FS: 00007fb6c62e0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.896948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.897460] CR2: 00007fff1a1a6ef8 CR3: 000000000e0d6000 CR4: 0000000000350ef0 [ 38.898068] Call Trace: [ 38.898286] [ 38.898508] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.898920] ? __create_object+0x59/0x80 [ 38.899272] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.899751] __vmalloc_noprof+0x59/0x60 [ 38.900095] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.900517] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.900953] bpf_prog_alloc+0x39/0x200 [ 38.901280] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.901735] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.902148] do_seccomp+0x349/0x25e0 [ 38.902502] ? find_held_lock+0x2b/0x80 [ 38.902849] ? do_prlimit+0x310/0x610 [ 38.903172] ? __pfx_do_seccomp+0x10/0x10 [ 38.903556] ? do_raw_spin_unlock+0x53/0x220 [ 38.903929] ? _raw_spin_unlock+0x1e/0x40 [ 38.904279] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.904755] ? static_key_count+0x60/0x80 [ 38.905131] prctl_set_seccomp+0x4e/0x70 [ 38.905505] __do_sys_prctl+0xe6c/0x1d70 [ 38.905849] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.906230] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.906695] ? irqentry_exit+0xf3/0x650 [ 38.907039] do_syscall_64+0xbf/0x430 [ 38.907370] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.907829] RIP: 0033:0x7fb6c67d25cd [ 38.908140] 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 [ 38.909682] RSP: 002b:00007fff1a1a5b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.910311] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6c67d25cd [ 38.910924] RDX: 000055dca33afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.911554] RBP: 00007fff1a1a5bd0 R08: 0000000000000000 R09: 00007fff1a1a5270 [ 38.912149] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dcafab72b0 [ 38.912769] R13: 00007fff1a1a6000 R14: 000055dcafab9d20 R15: 000055dcafacb8d0 [ 38.913411] [ 38.913617] irq event stamp: 1711 [ 38.913901] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 38.914645] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 38.915356] softirqs last enabled at (1224): [] handle_softirqs+0x50c/0x770 [ 38.916111] softirqs last disabled at (1183): [] __irq_exit_rcu+0xc4/0x100 [ 38.916845] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.322242] ------------[ cut here ]------------ [ 41.323158] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.325212] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.326681] Modules linked in: [ 41.327270] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.329261] Tainted: [W]=WARN [ 41.329855] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.331328] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.332253] 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 [ 41.335433] RSP: 0018:ffff8880166ffbc0 EFLAGS: 00010286 [ 41.336361] RAX: 0000000000000000 RBX: ffffed1002cdff78 RCX: ffffffff813a4050 [ 41.337690] RDX: ffff888015ee0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.338962] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdff2f [ 41.340254] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.341560] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166ffdf8 [ 41.342845] FS: 00007f42bf170900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.344285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.345362] CR2: 00007ffe03738ef8 CR3: 0000000020e40000 CR4: 0000000000350ef0 [ 41.346657] Call Trace: [ 41.347115] [ 41.347581] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.348490] ? __create_object+0x59/0x80 [ 41.349244] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.350220] __vmalloc_noprof+0x59/0x60 [ 41.350967] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.351825] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.352750] bpf_prog_alloc+0x39/0x200 [ 41.353501] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.354432] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.355289] do_seccomp+0x349/0x25e0 [ 41.356008] ? find_held_lock+0x2b/0x80 [ 41.356760] ? do_prlimit+0x310/0x610 [ 41.357554] ? __pfx_do_seccomp+0x10/0x10 [ 41.358287] ? do_raw_spin_unlock+0x53/0x220 [ 41.359125] ? _raw_spin_unlock+0x1e/0x40 [ 41.359905] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.360883] ? static_key_count+0x60/0x80 [ 41.361674] prctl_set_seccomp+0x4e/0x70 [ 41.362445] __do_sys_prctl+0xe6c/0x1d70 [ 41.363190] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.364049] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.365014] ? irqentry_exit+0xf3/0x650 [ 41.365781] do_syscall_64+0xbf/0x430 [ 41.366528] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.367494] RIP: 0033:0x7f42bf6625cd [ 41.368148] 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 [ 41.371333] RSP: 002b:00007ffe03737700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.372701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42bf6625cd [ 41.373989] RDX: 000055e2abeeee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.375276] RBP: 00007ffe03737760 R08: 0000000000000000 R09: 00007ffe03736e00 [ 41.376551] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e2b931aad0 [ 41.377858] R13: 00007ffe03737b90 R14: 000055e2b931bbc0 R15: 000055e2b932c780 [ 41.379160] [ 41.379708] irq event stamp: 1715 [ 41.380332] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 41.381900] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 41.383455] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 41.385016] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 41.386536] ---[ end trace 0000000000000000 ]--- [ 42.144879] ------------[ cut here ]------------ [ 42.145863] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.147940] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.149503] Modules linked in: [ 42.150110] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.152146] Tainted: [W]=WARN [ 42.152756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.154584] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.155814] 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 [ 42.159843] RSP: 0018:ffff88801a4a7bc0 EFLAGS: 00010286 [ 42.161119] RAX: 0000000000000000 RBX: ffffed1003494f78 RCX: ffffffff813a4050 [ 42.162766] RDX: ffff888015bfb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.164413] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003494f2f [ 42.166065] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.167702] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a4a7df8 [ 42.169361] FS: 00007fcb91efd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.171243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.172588] CR2: 00007ffcb641cef8 CR3: 000000000e0b3000 CR4: 0000000000350ef0 [ 42.174243] Call Trace: [ 42.174890] [ 42.175461] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.176617] ? __create_object+0x59/0x80 [ 42.177638] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.178886] __vmalloc_noprof+0x59/0x60 [ 42.179865] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.180999] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.181954] bpf_prog_alloc+0x39/0x200 [ 42.182707] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.183646] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.184560] do_seccomp+0x349/0x25e0 [ 42.185255] ? find_held_lock+0x2b/0x80 [ 42.186019] ? do_prlimit+0x310/0x610 [ 42.186769] ? __pfx_do_seccomp+0x10/0x10 [ 42.187562] ? do_raw_spin_unlock+0x53/0x220 [ 42.188353] ? _raw_spin_unlock+0x1e/0x40 [ 42.189161] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.190120] ? static_key_count+0x60/0x80 [ 42.190920] prctl_set_seccomp+0x4e/0x70 [ 42.191721] __do_sys_prctl+0xe6c/0x1d70 [ 42.192510] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.193340] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.194327] ? irqentry_exit+0xf3/0x650 [ 42.195104] do_syscall_64+0xbf/0x430 [ 42.195858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.196816] RIP: 0033:0x7fcb923ef5cd [ 42.197550] 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 [ 42.200763] RSP: 002b:00007ffcb641be40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.202137] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcb923ef5cd [ 42.203459] RDX: 0000563604f71e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.204757] RBP: 00007ffcb641bea0 R08: 0000000000000000 R09: 00007ffcb641b540 [ 42.206058] R10: 0000000000000000 R11: 0000000000000246 R12: 000056361bae72b0 [ 42.207341] R13: 00007ffcb641c2d0 R14: 000056361bae9d20 R15: 000056361bafb8d0 [ 42.208670] [ 42.209115] irq event stamp: 1819 [ 42.209749] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 42.211108] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 42.212651] softirqs last enabled at (1856): [] handle_softirqs+0x50c/0x770 [ 42.214048] softirqs last disabled at (1847): [] __irq_exit_rcu+0xc4/0x100 [ 42.215412] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39034' (ECDSA) to the list of known hosts. 2025/11/17 09:18:30 fuzzer started 2025/11/17 09:18:31 dialing manager at localhost:37895 2025/11/17 09:18:31 checking machine... 2025/11/17 09:18:31 checking revisions... [ 43.283586] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:18:31 testing simple program... [ 43.373054] cgroup: Unknown subsys name 'net' [ 43.439074] cgroup: Unknown subsys name 'cpuset' [ 43.457549] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:18:30 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=dffffc0000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffff8880096125a8 RBP=ffff888008ce82c0 RSP=ffff888009627dc0 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000 R12=ffffffff85cfa1a0 R13=ffffffff813c1540 R14=ffff888009611bc0 R15=ffffffff814618d1 RIP=ffffffff814615c6 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f42bf727618 CR3=0000000020cf1000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001cee7 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffc3622758 CR3=000000000d6c9000 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=2030333a38313a393020373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039323a38313a3930203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000