syzkaller login: [ 46.669734] ------------[ cut here ]------------ [ 46.670568] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.672354] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 46.673662] Modules linked in: [ 46.674217] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.675994] Tainted: [W]=WARN [ 46.676478] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.677790] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.678803] 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 [ 46.681687] RSP: 0018:ffff88801679fbc0 EFLAGS: 00010286 [ 46.682553] RAX: 0000000000000000 RBX: ffffed1002cf3f78 RCX: ffffffff813a4050 [ 46.683711] RDX: ffff88801cb61bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.684838] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cf3f2f [ 46.686016] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.687176] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801679fdf8 [ 46.688316] FS: 00007f7942a1b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.689570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.690555] CR2: 00007fff5a04bef8 CR3: 000000000d2c6000 CR4: 0000000000350ef0 [ 46.691704] Call Trace: [ 46.692147] [ 46.692523] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.693317] ? __create_object+0x59/0x80 [ 46.694039] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.694882] __vmalloc_noprof+0x59/0x60 [ 46.695576] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.696345] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.697169] bpf_prog_alloc+0x39/0x200 [ 46.697774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.698608] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.699419] do_seccomp+0x349/0x25e0 [ 46.700045] ? find_held_lock+0x2b/0x80 [ 46.700664] ? do_prlimit+0x310/0x610 [ 46.701326] ? __pfx_do_seccomp+0x10/0x10 [ 46.702044] ? do_raw_spin_unlock+0x53/0x220 [ 46.702735] ? _raw_spin_unlock+0x1e/0x40 [ 46.703447] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.704293] ? static_key_count+0x60/0x80 [ 46.705028] prctl_set_seccomp+0x4e/0x70 [ 46.705695] __do_sys_prctl+0xe6c/0x1d70 [ 46.706396] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.707187] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.708052] ? irqentry_exit+0xf3/0x650 [ 46.708682] do_syscall_64+0xbf/0x430 [ 46.709353] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.710212] RIP: 0033:0x7f7942f0d5cd [ 46.710810] 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 [ 46.713602] RSP: 002b:00007fff5a049650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.714851] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7942f0d5cd [ 46.716009] RDX: 000056078684ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.717133] RBP: 00007fff5a0496b0 R08: 0000000000000000 R09: 00007fff5a048d50 [ 46.718278] R10: 0000000000000000 R11: 0000000000000246 R12: 000056078e92c240 [ 46.719414] R13: 00007fff5a049ae0 R14: 000056078e935380 R15: 000056078e940540 [ 46.720568] [ 46.720948] irq event stamp: 2001 [ 46.721523] hardirqs last enabled at (2011): [] __up_console_sem+0x78/0x80 [ 46.722911] hardirqs last disabled at (2020): [] __up_console_sem+0x5d/0x80 [ 46.724275] softirqs last enabled at (1858): [] handle_softirqs+0x50c/0x770 [ 46.725637] softirqs last disabled at (1849): [] __irq_exit_rcu+0xc4/0x100 [ 46.727012] ---[ end trace 0000000000000000 ]--- [ 50.111598] ------------[ cut here ]------------ [ 50.112545] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.114547] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 50.116036] Modules linked in: [ 50.116657] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.118656] Tainted: [W]=WARN [ 50.119276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.120773] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.121701] 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 [ 50.124922] RSP: 0018:ffff88801a787bc0 EFLAGS: 00010286 [ 50.125913] RAX: 0000000000000000 RBX: ffffed10034f0f78 RCX: ffffffff813a4050 [ 50.127233] RDX: ffff88800f4c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.128519] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034f0f2f [ 50.129841] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.131127] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a787df8 [ 50.132432] FS: 00007f3cb90e9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.133877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.134949] CR2: 00007fff5e9c1ef8 CR3: 000000000e290000 CR4: 0000000000350ef0 [ 50.136239] Call Trace: [ 50.136707] [ 50.137171] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.138059] ? __create_object+0x59/0x80 [ 50.138808] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.139795] __vmalloc_noprof+0x59/0x60 [ 50.140563] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.141453] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.142400] bpf_prog_alloc+0x39/0x200 [ 50.143157] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.144096] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.145074] do_seccomp+0x349/0x25e0 [ 50.145894] ? find_held_lock+0x2b/0x80 [ 50.146781] ? do_prlimit+0x310/0x610 [ 50.147569] ? __pfx_do_seccomp+0x10/0x10 [ 50.148356] ? do_raw_spin_unlock+0x53/0x220 [ 50.149205] ? _raw_spin_unlock+0x1e/0x40 [ 50.149958] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.150945] ? static_key_count+0x60/0x80 [ 50.151764] prctl_set_seccomp+0x4e/0x70 [ 50.152554] __do_sys_prctl+0xe6c/0x1d70 [ 50.153357] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.154221] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.155203] ? irqentry_exit+0xf3/0x650 [ 50.155929] do_syscall_64+0xbf/0x430 [ 50.156671] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.157634] RIP: 0033:0x7f3cb95db5cd [ 50.158338] 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 [ 50.161573] RSP: 002b:00007fff5e9bf2d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.162966] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3cb95db5cd [ 50.164265] RDX: 000055bd1f320e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.165556] RBP: 00007fff5e9bf330 R08: 0000000000000000 R09: 00007fff5e9be9d0 [ 50.166869] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd5c8f62b0 [ 50.168173] R13: 00007fff5e9bf760 R14: 000055bd5c8f8d20 R15: 000055bd5c90a8d0 [ 50.169499] [ 50.169926] irq event stamp: 1749 [ 50.170587] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 50.172147] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 50.173665] softirqs last enabled at (1418): [] handle_softirqs+0x50c/0x770 [ 50.175216] softirqs last disabled at (1413): [] __irq_exit_rcu+0xc4/0x100 [ 50.176603] ---[ end trace 0000000000000000 ]--- [ 50.973214] ------------[ cut here ]------------ [ 50.974163] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.976141] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 50.977575] Modules linked in: [ 50.978233] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.980233] Tainted: [W]=WARN [ 50.980791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.982245] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.983168] 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 [ 50.986302] RSP: 0018:ffff88801a6b7bc0 EFLAGS: 00010286 [ 50.987311] RAX: 0000000000000000 RBX: ffffed10034d6f78 RCX: ffffffff813a4050 [ 50.988588] RDX: ffff888016668000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.989865] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034d6f2f [ 50.991150] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.992438] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a6b7df8 [ 50.993732] FS: 00007f2a0b6f4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.995178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.996237] CR2: 00007f2a0bbe6580 CR3: 000000000df1e000 CR4: 0000000000350ef0 [ 50.997517] Call Trace: [ 50.998022] [ 50.998429] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.999331] ? __create_object+0x59/0x80 [ 51.000125] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.001077] __vmalloc_noprof+0x59/0x60 [ 51.001789] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.002654] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.003598] bpf_prog_alloc+0x39/0x200 [ 51.004335] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.005277] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.006165] do_seccomp+0x349/0x25e0 [ 51.006851] ? __pfx_css_rstat_updated+0x10/0x10 [ 51.007741] ? __pfx_do_seccomp+0x10/0x10 [ 51.008516] ? find_held_lock+0x2b/0x80 [ 51.009279] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.010231] ? static_key_count+0x60/0x80 [ 51.011043] prctl_set_seccomp+0x4e/0x70 [ 51.011771] __do_sys_prctl+0xe6c/0x1d70 [ 51.012551] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.013390] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.014353] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.015338] ? irqentry_exit+0xf3/0x650 [ 51.016109] do_syscall_64+0xbf/0x430 [ 51.016793] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.017729] RIP: 0033:0x7f2a0bbe65cd [ 51.018428] 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 [ 51.021569] RSP: 002b:00007ffd58f92eb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.022943] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a0bbe65cd [ 51.024235] RDX: 000055d604bd5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.025514] RBP: 00007ffd58f92f10 R08: 0000000000000000 R09: 00007ffd58f925b0 [ 51.026805] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d639713ad0 [ 51.028085] R13: 00007ffd58f93340 R14: 000055d639714bc0 R15: 000055d639725780 [ 51.029377] [ 51.029794] irq event stamp: 1763 [ 51.030445] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 51.031998] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 51.033501] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 51.035045] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 51.036562] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46438' (ECDSA) to the list of known hosts. 2025/11/19 00:09:54 fuzzer started 2025/11/19 00:09:54 dialing manager at localhost:34383 2025/11/19 00:09:54 checking machine... 2025/11/19 00:09:54 checking revisions... [ 51.935047] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:09:55 testing simple program... [ 52.023728] cgroup: Unknown subsys name 'net' [ 52.090799] cgroup: Unknown subsys name 'cpuset' [ 52.106238] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:09:54 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff8169602d RDX=ffff88801a453780 RSI=0000000000000000 RDI=ffff888016affb68 RBP=ffff88801a453780 RSP=ffff888016affb18 R8 =0000000000000000 R9 =ffffed100388b489 R10=0000000000000000 R11=0000000000000001 R12=ffff888016affb68 R13=ffffed100348a6f0 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81694b24 RFL=00000293 [--S-A-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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f0e08f58700 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=00007f3cb96a0618 CR3=000000000d189000 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=2033353a39303a303020393120766f4e XMM01=73732878696e755f6d6170203a5d3733 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3733325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033353a39303a3030203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002bdc1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffef8200478 CR3=000000000d39c000 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=1630950057e18b810e4ddbd020c9e497 XMM02=2c67c8bc2e329bc300000000003023f8 XMM03=fb795ef6d6577056000000000030de80 XMM04=3ccf1e672c6c54f200000000000ae988 XMM05=1a58cb52dc18f6d7000000000031ded8 XMM06=9cb7d6eab241e2f90000000000317fd8 XMM07=e042d86d42eb936e000000000030e158 XMM08=f6d33dfadf7963250000000000302458 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000