syzkaller login: [ 45.413170] ------------[ cut here ]------------ [ 45.414063] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.416156] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.417601] Modules linked in: [ 45.418473] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.420533] Tainted: [W]=WARN [ 45.421095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.422610] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.423528] 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 [ 45.426686] RSP: 0018:ffff88801a197bc0 EFLAGS: 00010286 [ 45.427669] RAX: 0000000000000000 RBX: ffffed1003432f78 RCX: ffffffff813a4050 [ 45.428942] RDX: ffff888016d95340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.430223] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003432f2f [ 45.431500] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.432760] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a197df8 [ 45.434036] FS: 00007fcb49885900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.435475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.436540] CR2: 00007fcb49d77580 CR3: 000000001cf26000 CR4: 0000000000350ef0 [ 45.437818] Call Trace: [ 45.438308] [ 45.438732] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.439622] ? __create_object+0x59/0x80 [ 45.440410] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.441383] __vmalloc_noprof+0x59/0x60 [ 45.442088] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.442967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.443893] bpf_prog_alloc+0x39/0x200 [ 45.444614] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.445543] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.446452] do_seccomp+0x349/0x25e0 [ 45.447176] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.448023] ? __pfx_do_seccomp+0x10/0x10 [ 45.448846] ? find_held_lock+0x2b/0x80 [ 45.449601] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.450577] ? static_key_count+0x60/0x80 [ 45.451387] prctl_set_seccomp+0x4e/0x70 [ 45.452152] __do_sys_prctl+0xe6c/0x1d70 [ 45.452890] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.453743] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.454718] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.455679] ? irqentry_exit+0xf3/0x650 [ 45.456451] do_syscall_64+0xbf/0x430 [ 45.457197] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.458093] RIP: 0033:0x7fcb49d775cd [ 45.458809] 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 [ 45.461941] RSP: 002b:00007ffd257d9880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.463307] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcb49d775cd [ 45.464590] RDX: 0000563187e98e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.465851] RBP: 00007ffd257d98e0 R08: 0000000000000000 R09: 00007ffd257d8f80 [ 45.467157] R10: 0000000000000000 R11: 0000000000000246 R12: 000056319f6d4ad0 [ 45.468426] R13: 00007ffd257d9d10 R14: 000056319f6d5bc0 R15: 000056319f6e6780 [ 45.469720] [ 45.470176] irq event stamp: 1821 [ 45.470794] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 45.472300] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 45.473814] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 45.475354] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 45.476856] ---[ end trace 0000000000000000 ]--- [ 48.959392] ------------[ cut here ]------------ [ 48.960298] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.962263] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 48.963698] Modules linked in: [ 48.964316] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.966484] Tainted: [W]=WARN [ 48.967034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.968926] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.969824] 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 [ 48.972933] RSP: 0018:ffff88801b9e7bc0 EFLAGS: 00010286 [ 48.973880] RAX: 0000000000000000 RBX: ffffed100373cf78 RCX: ffffffff813a4050 [ 48.975148] RDX: ffff888013a79bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.976391] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100373cf2f [ 48.977636] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.978891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b9e7df8 [ 48.980149] FS: 00007f941be2c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.981550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.982586] CR2: 00007fff2012eef7 CR3: 00000000099c1000 CR4: 0000000000350ef0 [ 48.983833] Call Trace: [ 48.984329] [ 48.984734] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.985612] ? __create_object+0x59/0x80 [ 48.986367] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.987329] __vmalloc_noprof+0x59/0x60 [ 48.988024] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.988858] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.989763] bpf_prog_alloc+0x39/0x200 [ 48.990475] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.991382] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.992260] do_seccomp+0x349/0x25e0 [ 48.992926] ? find_held_lock+0x2b/0x80 [ 48.993672] ? do_prlimit+0x310/0x610 [ 48.994389] ? __pfx_do_seccomp+0x10/0x10 [ 48.995170] ? do_raw_spin_unlock+0x53/0x220 [ 48.995943] ? _raw_spin_unlock+0x1e/0x40 [ 48.996703] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.997633] ? static_key_count+0x60/0x80 [ 48.998414] prctl_set_seccomp+0x4e/0x70 [ 48.999169] __do_sys_prctl+0xe6c/0x1d70 [ 48.999895] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.000724] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.001662] ? irqentry_exit+0xf3/0x650 [ 49.002416] do_syscall_64+0xbf/0x430 [ 49.003148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.004031] RIP: 0033:0x7f941c31e5cd [ 49.004706] 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 [ 49.007793] RSP: 002b:00007fff2012d4f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.009144] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f941c31e5cd [ 49.010404] RDX: 0000556f81845e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.011682] RBP: 00007fff2012d550 R08: 0000000000000000 R09: 00007fff2012cbf0 [ 49.012924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f96e08ad0 [ 49.014169] R13: 00007fff2012d980 R14: 0000556f96e09bc0 R15: 0000556f96e1a780 [ 49.015449] [ 49.015861] irq event stamp: 1871 [ 49.016495] hardirqs last enabled at (1881): [] __up_console_sem+0x78/0x80 [ 49.017983] hardirqs last disabled at (1896): [] __up_console_sem+0x5d/0x80 [ 49.019466] softirqs last enabled at (1894): [] handle_softirqs+0x50c/0x770 [ 49.020960] softirqs last disabled at (1889): [] __irq_exit_rcu+0xc4/0x100 [ 49.022428] ---[ end trace 0000000000000000 ]--- [ 49.824073] ------------[ cut here ]------------ [ 49.825172] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.827556] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.830430] Modules linked in: [ 49.831181] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.833495] Tainted: [W]=WARN [ 49.834197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.835905] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.836959] 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 [ 49.840361] RSP: 0018:ffff888016377bc0 EFLAGS: 00010286 [ 49.841341] RAX: 0000000000000000 RBX: ffffed1002c6ef78 RCX: ffffffff813a4050 [ 49.842647] RDX: ffff888017643780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.843918] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c6ef2f [ 49.845200] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.846475] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016377df8 [ 49.847808] FS: 00007fc46bfac900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.849259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.850336] CR2: 00007fffbcc1cef7 CR3: 000000000cbd4000 CR4: 0000000000350ef0 [ 49.851675] Call Trace: [ 49.852193] [ 49.852614] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.853524] ? __create_object+0x59/0x80 [ 49.854307] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.855310] __vmalloc_noprof+0x59/0x60 [ 49.856034] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.856904] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.857840] bpf_prog_alloc+0x39/0x200 [ 49.858578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.859521] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.860424] do_seccomp+0x349/0x25e0 [ 49.861101] ? find_held_lock+0x2b/0x80 [ 49.861862] ? do_prlimit+0x310/0x610 [ 49.862620] ? __pfx_do_seccomp+0x10/0x10 [ 49.863415] ? do_raw_spin_unlock+0x53/0x220 [ 49.864256] ? _raw_spin_unlock+0x1e/0x40 [ 49.864992] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.865944] ? static_key_count+0x60/0x80 [ 49.866758] prctl_set_seccomp+0x4e/0x70 [ 49.867530] __do_sys_prctl+0xe6c/0x1d70 [ 49.868317] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.869180] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.870156] ? irqentry_exit+0xf3/0x650 [ 49.870893] do_syscall_64+0xbf/0x430 [ 49.871639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.872606] RIP: 0033:0x7fc46c49e5cd [ 49.873311] 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 [ 49.876505] RSP: 002b:00007fffbcc1b280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.877857] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc46c49e5cd [ 49.879159] RDX: 0000556f94aade00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.880437] RBP: 00007fffbcc1b2e0 R08: 0000000000000000 R09: 00007fffbcc1a980 [ 49.881722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556fb8953ad0 [ 49.883027] R13: 00007fffbcc1b710 R14: 0000556fb8954bc0 R15: 0000556fb8965780 [ 49.884317] [ 49.884742] irq event stamp: 2043 [ 49.885380] hardirqs last enabled at (2053): [] __up_console_sem+0x78/0x80 [ 49.886908] hardirqs last disabled at (2062): [] __up_console_sem+0x5d/0x80 [ 49.888174] softirqs last enabled at (1992): [] handle_softirqs+0x50c/0x770 [ 49.889455] softirqs last disabled at (1987): [] __irq_exit_rcu+0xc4/0x100 [ 49.890722] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12717' (ECDSA) to the list of known hosts. 2025/11/18 00:30:46 fuzzer started 2025/11/18 00:30:47 dialing manager at localhost:37895 2025/11/18 00:30:47 checking machine... 2025/11/18 00:30:47 checking revisions... [ 50.801541] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:30:47 testing simple program... [ 50.879715] cgroup: Unknown subsys name 'net' [ 50.942729] cgroup: Unknown subsys name 'cpuset' [ 50.961469] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:30:46 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=0000000000000040 RDX=ffff888017485340 RSI=ffffffff83cb87cd RDI=ffffffff81b2e5f4 RBP=ffff88800cc228c0 RSP=ffff8880159b7998 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000 R12=ffff88800cc2299c R13=0000000000000000 R14=ffff8880159b7a90 R15=ffff88800cc228c0 RIP=ffffffff81751c80 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 00007f1e5523a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1e54952030 CR3=000000000e1c9000 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=4bfb0904ab6fcf86a842ac5ef8fbbf88 XMM02=eff9b2d0a8fce9cb0000000000304ae8 XMM03=2c67c8bc2e329bc30000000000304c10 XMM04=02751bd3b1828d0300000000000ae988 XMM05=13ec27600c5c2a900000000000322348 XMM06=d96330e2d2db86320000000000320708 XMM07=fb795ef6d657705600000000003115f0 XMM08=2c67c8bc2e329bc30000000000304c10 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000001b9d5cd2 RBX=ffff888015c35340 RCX=000000003f5a9b23 RDX=000000003edcb76d RSI=ffff888015c35de8 RDI=00000000ae0e18cd RBP=ffff888015c35d98 RSP=ffff88801993fb90 R8 =0000000000000002 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888015c35de8 R13=d63889f5fb14e973 R14=0000000000000001 R15=0000000000000002 RIP=ffffffff815275b5 RFL=00000803 [-O----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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f941be2c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff201263bc CR3=000000000cc53000 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=00000000000000000000000000000000 XMM02=f5af10376a8510ede82cc42d7c3c7df5 XMM03=84fbe4da283cdf8941dae9e923f69590 XMM04=64eda1913faf5772a0bdc9c08b48088e XMM05=00000000000000000000000000000000 XMM06=64eda191283c577241bdc9c02348088e XMM07=672065736f6c635f6e6f69737365733a XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000