syzkaller login: [ 45.713554] ------------[ cut here ]------------ [ 45.714489] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.716540] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.717981] Modules linked in: [ 45.718571] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.720590] Tainted: [W]=WARN [ 45.721194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.722699] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.723631] 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 [ 45.727110] RSP: 0018:ffff888015887bc0 EFLAGS: 00010286 [ 45.728168] RAX: 0000000000000000 RBX: ffffed1002b10f78 RCX: ffffffff813a4050 [ 45.729480] RDX: ffff888013f80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.730784] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b10f2f [ 45.732055] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.733319] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015887df8 [ 45.734635] FS: 00007ff2c9f2e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.736059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.737115] CR2: 00007ffcdcd8fef8 CR3: 000000000d67e000 CR4: 0000000000350ef0 [ 45.738419] Call Trace: [ 45.738914] [ 45.739328] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.740220] ? __create_object+0x59/0x80 [ 45.741006] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.741970] __vmalloc_noprof+0x59/0x60 [ 45.742688] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.743561] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.744486] bpf_prog_alloc+0x39/0x200 [ 45.745215] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.746166] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.747073] do_seccomp+0x349/0x25e0 [ 45.747753] ? find_held_lock+0x2b/0x80 [ 45.748500] ? do_prlimit+0x310/0x610 [ 45.749245] ? __pfx_do_seccomp+0x10/0x10 [ 45.750037] ? do_raw_spin_unlock+0x53/0x220 [ 45.750838] ? _raw_spin_unlock+0x1e/0x40 [ 45.751619] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.752573] ? static_key_count+0x60/0x80 [ 45.753380] prctl_set_seccomp+0x4e/0x70 [ 45.754160] __do_sys_prctl+0xe6c/0x1d70 [ 45.754950] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.755755] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.756716] ? irqentry_exit+0xf3/0x650 [ 45.757477] do_syscall_64+0xbf/0x430 [ 45.758212] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.759185] RIP: 0033:0x7ff2ca4205cd [ 45.759849] 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 [ 45.763073] RSP: 002b:00007ffcdcd8d2a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.764427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2ca4205cd [ 45.765691] RDX: 00005585caf8fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.766999] RBP: 00007ffcdcd8d300 R08: 0000000000000000 R09: 00007ffcdcd8c9a0 [ 45.768279] R10: 0000000000000000 R11: 0000000000000246 R12: 00005585dcd76b10 [ 45.769550] R13: 00007ffcdcd8d730 R14: 00005585dcd772b0 R15: 00005585dcd8b6f0 [ 45.770847] [ 45.771306] irq event stamp: 1771 [ 45.771960] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 45.773484] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 45.775008] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 45.776526] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 45.778046] ---[ end trace 0000000000000000 ]--- [ 49.332645] ------------[ cut here ]------------ [ 49.333605] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.335662] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.337177] Modules linked in: [ 49.337790] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.339839] Tainted: [W]=WARN [ 49.340452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.341948] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.342919] 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 [ 49.346154] RSP: 0018:ffff88800f6e7bc0 EFLAGS: 00010286 [ 49.347174] RAX: 0000000000000000 RBX: ffffed1001edcf78 RCX: ffffffff813a4050 [ 49.348491] RDX: ffff888009e41bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.349806] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001edcf2f [ 49.351104] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.352410] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f6e7df8 [ 49.353712] FS: 00007fefd0499900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.355211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.356296] CR2: 00007ffe5ea9eef8 CR3: 000000001f854000 CR4: 0000000000350ef0 [ 49.357604] Call Trace: [ 49.358133] [ 49.358565] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.359473] ? __create_object+0x59/0x80 [ 49.360275] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.361258] __vmalloc_noprof+0x59/0x60 [ 49.362047] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.362948] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.363903] bpf_prog_alloc+0x39/0x200 [ 49.364625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.365582] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.366517] do_seccomp+0x349/0x25e0 [ 49.367240] ? find_held_lock+0x2b/0x80 [ 49.368004] ? do_prlimit+0x310/0x610 [ 49.368718] ? __pfx_do_seccomp+0x10/0x10 [ 49.369519] ? do_raw_spin_unlock+0x53/0x220 [ 49.370386] ? _raw_spin_unlock+0x1e/0x40 [ 49.371228] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.372225] ? static_key_count+0x60/0x80 [ 49.373069] prctl_set_seccomp+0x4e/0x70 [ 49.373816] __do_sys_prctl+0xe6c/0x1d70 [ 49.374641] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.375533] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.376503] ? irqentry_exit+0xf3/0x650 [ 49.377281] do_syscall_64+0xbf/0x430 [ 49.378044] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.379038] RIP: 0033:0x7fefd098b5cd [ 49.379712] 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 [ 49.382930] RSP: 002b:00007ffe5ea9d900 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.384318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fefd098b5cd [ 49.385624] RDX: 000055ee48b7ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.386933] RBP: 00007ffe5ea9d960 R08: 0000000000000000 R09: 00007ffe5ea9d000 [ 49.388240] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ee6961fad0 [ 49.389550] R13: 00007ffe5ea9dd90 R14: 000055ee69620bc0 R15: 000055ee69631780 [ 49.390921] [ 49.391360] irq event stamp: 1743 [ 49.392007] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 49.393548] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 49.395107] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770 [ 49.396701] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 49.398233] ---[ end trace 0000000000000000 ]--- [ 50.219466] ------------[ cut here ]------------ [ 50.220424] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.222481] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.223984] Modules linked in: [ 50.224577] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.226586] Tainted: [W]=WARN [ 50.227198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.228683] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.229608] 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 [ 50.232797] RSP: 0018:ffff88801670fbc0 EFLAGS: 00010286 [ 50.233793] RAX: 0000000000000000 RBX: ffffed1002ce1f78 RCX: ffffffff813a4050 [ 50.235096] RDX: ffff888013d39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.236390] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce1f2f [ 50.237692] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.239003] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801670fdf8 [ 50.240296] FS: 00007fca26940900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.241756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.242847] CR2: 00007ffe74dcfef8 CR3: 000000001f2d0000 CR4: 0000000000350ef0 [ 50.244160] Call Trace: [ 50.244629] [ 50.245091] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.245991] ? __create_object+0x59/0x80 [ 50.246744] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.247721] __vmalloc_noprof+0x59/0x60 [ 50.248481] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.249375] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.250338] bpf_prog_alloc+0x39/0x200 [ 50.251078] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.252010] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.252930] do_seccomp+0x349/0x25e0 [ 50.253614] ? find_held_lock+0x2b/0x80 [ 50.254388] ? do_prlimit+0x310/0x610 [ 50.255160] ? __pfx_do_seccomp+0x10/0x10 [ 50.255954] ? do_raw_spin_unlock+0x53/0x220 [ 50.256748] ? _raw_spin_unlock+0x1e/0x40 [ 50.257535] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.258513] ? static_key_count+0x60/0x80 [ 50.259324] prctl_set_seccomp+0x4e/0x70 [ 50.260105] __do_sys_prctl+0xe6c/0x1d70 [ 50.260908] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.261732] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.262717] ? irqentry_exit+0xf3/0x650 [ 50.263480] do_syscall_64+0xbf/0x430 [ 50.264229] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.265183] RIP: 0033:0x7fca26e325cd [ 50.265842] 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 [ 50.269049] RSP: 002b:00007ffe74dcde60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.270435] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca26e325cd [ 50.271734] RDX: 000055b41d081e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.273035] RBP: 00007ffe74dcdec0 R08: 0000000000000000 R09: 00007ffe74dcd560 [ 50.274308] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b434f08bf0 [ 50.275629] R13: 00007ffe74dce2f0 R14: 000055b434f12380 R15: 000055b434f1d460 [ 50.276961] [ 50.277398] irq event stamp: 1737 [ 50.278053] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 50.279602] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 50.281128] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 50.282689] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 50.284223] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55401' (ECDSA) to the list of known hosts. 2025/11/17 18:34:05 fuzzer started 2025/11/17 18:34:05 dialing manager at localhost:37895 2025/11/17 18:34:05 checking machine... 2025/11/17 18:34:05 checking revisions... [ 51.207292] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:34:05 testing simple program... [ 51.296452] cgroup: Unknown subsys name 'net' [ 51.357723] cgroup: Unknown subsys name 'cpuset' [ 51.371654] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:34:04 Registers: info registers vcpu 0 RAX=ffffffff81b6283d RBX=ffffffff81618fa0 RCX=ffff888016cc7984 RDX=1ffff11002d98f51 RSI=ffffffff81b6283d RDI=ffff888016cc7af8 RBP=ffff888016cc7ac8 RSP=ffff888016cc7a28 R8 =0000000000000001 R9 =ffff888016cc7a70 R10=000000000003c9ed R11=000000000002672d R12=ffff888016cc7af8 R13=0000000000000000 R14=ffff888015a71bc0 R15=ffff888008c41780 RIP=ffffffff81618fa4 RFL=00000282 [--S----] 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 00007fefd0499900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fefd0a510b0 CR3=000000001f87f000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002734f 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=00000202 [-------] 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f88dcbe8000 CR3=000000000ca89000 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=423e392068e90fab83405edb95602046 XMM02=ec2efd57dc4c00df0000000000301ba8 XMM03=9e06faf8db5f29e40000000000301c78 XMM04=b7a22905584ef64800000000000ae988 XMM05=449bc1c5940d3ee8000000000031de78 XMM06=474038aa6c007e1f000000000031db00 XMM07=e042d86d42eb936e000000000030de70 XMM08=9e06faf8db5f29e40000000000301c78 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000