syzkaller login: [ 47.048899] ------------[ cut here ]------------ [ 47.049793] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.051969] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 47.054807] Modules linked in: [ 47.055554] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.057565] Tainted: [W]=WARN [ 47.058175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.059690] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.060625] 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 [ 47.063867] RSP: 0018:ffff88800ee8fbc0 EFLAGS: 00010286 [ 47.064823] RAX: 0000000000000000 RBX: ffffed1001dd1f78 RCX: ffffffff813a4050 [ 47.066155] RDX: ffff888016fbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.067478] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dd1f2f [ 47.068763] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.070045] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ee8fdf8 [ 47.071323] FS: 00007fd13e43a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.072783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.073869] CR2: 00007fd13e9a04a6 CR3: 000000000d79a000 CR4: 0000000000350ef0 [ 47.075172] Call Trace: [ 47.075645] [ 47.076108] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.077022] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 47.077970] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 47.078922] __vmalloc_noprof+0x59/0x60 [ 47.079649] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.080533] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.081461] bpf_prog_alloc+0x39/0x200 [ 47.082224] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.083168] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.084114] do_seccomp+0x349/0x25e0 [ 47.084797] ? find_held_lock+0x2b/0x80 [ 47.085567] ? do_prlimit+0x310/0x610 [ 47.086325] ? __pfx_do_seccomp+0x10/0x10 [ 47.087104] ? do_raw_spin_unlock+0x53/0x220 [ 47.087960] ? _raw_spin_unlock+0x1e/0x40 [ 47.088696] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.089662] ? static_key_count+0x60/0x80 [ 47.090490] prctl_set_seccomp+0x4e/0x70 [ 47.091285] __do_sys_prctl+0xe6c/0x1d70 [ 47.092089] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.092963] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.093949] ? irqentry_exit+0xf3/0x650 [ 47.094675] do_syscall_64+0xbf/0x430 [ 47.095423] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.096381] RIP: 0033:0x7fd13e92c5cd [ 47.097103] 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 [ 47.100348] RSP: 002b:00007ffd5ad13240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.101715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd13e92c5cd [ 47.102998] RDX: 0000564bec854e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.104311] RBP: 00007ffd5ad132a0 R08: 0000000000000000 R09: 00007ffd5ad12940 [ 47.105603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564bfe186b10 [ 47.106916] R13: 00007ffd5ad136d0 R14: 0000564bfe1872b0 R15: 0000564bfe19b6f0 [ 47.108238] [ 47.108665] irq event stamp: 2139 [ 47.109332] hardirqs last enabled at (2149): [] __up_console_sem+0x78/0x80 [ 47.110874] hardirqs last disabled at (2158): [] __up_console_sem+0x5d/0x80 [ 47.112416] softirqs last enabled at (1974): [] handle_softirqs+0x50c/0x770 [ 47.113972] softirqs last disabled at (1969): [] __irq_exit_rcu+0xc4/0x100 [ 47.115497] ---[ end trace 0000000000000000 ]--- [ 50.575905] ------------[ cut here ]------------ [ 50.576661] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.578420] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 50.579921] Modules linked in: [ 50.580424] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.582194] Tainted: [W]=WARN [ 50.582658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.583931] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.584675] 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 [ 50.587386] RSP: 0018:ffff88801682fbc0 EFLAGS: 00010286 [ 50.588231] RAX: 0000000000000000 RBX: ffffed1002d05f78 RCX: ffffffff813a4050 [ 50.589347] RDX: ffff88800f180000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.590446] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d05f2f [ 50.591566] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.592664] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801682fdf8 [ 50.593768] FS: 00007f3f8c4e6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.595006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.595948] CR2: 00007f3f8c9d8580 CR3: 000000001e1f8000 CR4: 0000000000350ef0 [ 50.597057] Call Trace: [ 50.597469] [ 50.597827] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.598594] ? __create_object+0x59/0x80 [ 50.599277] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.600128] __vmalloc_noprof+0x59/0x60 [ 50.600737] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.601512] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.602323] bpf_prog_alloc+0x39/0x200 [ 50.602953] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.603737] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.604517] do_seccomp+0x349/0x25e0 [ 50.605153] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.605929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.606718] ? __pfx_do_seccomp+0x10/0x10 [ 50.607404] ? irqentry_exit+0x17b/0x650 [ 50.608070] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 50.608936] prctl_set_seccomp+0x4e/0x70 [ 50.609566] __do_sys_prctl+0xe6c/0x1d70 [ 50.610246] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.610982] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.611790] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.612619] ? irqentry_exit+0xf3/0x650 [ 50.613288] do_syscall_64+0xbf/0x430 [ 50.613917] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.614691] RIP: 0033:0x7f3f8c9d85cd [ 50.615318] 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 [ 50.618026] RSP: 002b:00007fffc6bd2bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.619185] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f8c9d85cd [ 50.620305] RDX: 000055762d92fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.621403] RBP: 00007fffc6bd2c10 R08: 0000000000000000 R09: 00007fffc6bd22b0 [ 50.622500] R10: 0000000000000000 R11: 0000000000000246 R12: 000055763b485ad0 [ 50.623614] R13: 00007fffc6bd3040 R14: 000055763b486bc0 R15: 000055763b497780 [ 50.624722] [ 50.625134] irq event stamp: 1797 [ 50.625655] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 50.626955] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 50.628279] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 50.629591] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 50.630885] ---[ end trace 0000000000000000 ]--- [ 51.404030] ------------[ cut here ]------------ [ 51.405049] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.407228] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 51.408815] Modules linked in: [ 51.409498] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.411644] Tainted: [W]=WARN [ 51.412283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.413890] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.414807] 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 [ 51.418261] RSP: 0018:ffff888016e07bc0 EFLAGS: 00010286 [ 51.419325] RAX: 0000000000000000 RBX: ffffed1002dc0f78 RCX: ffffffff813a4050 [ 51.420735] RDX: ffff888015d29bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.422123] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc0f2f [ 51.423533] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.424886] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e07df8 [ 51.426258] FS: 00007fbed8ab8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.427797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.428929] CR2: 00007ffc5b95eef7 CR3: 000000001e372000 CR4: 0000000000350ef0 [ 51.430295] Call Trace: [ 51.430792] [ 51.431286] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.432248] ? __create_object+0x59/0x80 [ 51.433095] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.434123] __vmalloc_noprof+0x59/0x60 [ 51.434918] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.435800] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.436791] bpf_prog_alloc+0x39/0x200 [ 51.437575] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.438566] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.439551] do_seccomp+0x349/0x25e0 [ 51.440337] ? find_held_lock+0x2b/0x80 [ 51.441147] ? do_prlimit+0x310/0x610 [ 51.441937] ? __pfx_do_seccomp+0x10/0x10 [ 51.442706] ? do_raw_spin_unlock+0x53/0x220 [ 51.443606] ? _raw_spin_unlock+0x1e/0x40 [ 51.444441] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.445499] ? static_key_count+0x60/0x80 [ 51.446383] prctl_set_seccomp+0x4e/0x70 [ 51.447234] __do_sys_prctl+0xe6c/0x1d70 [ 51.448106] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.449039] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.450100] ? irqentry_exit+0xf3/0x650 [ 51.450917] do_syscall_64+0xbf/0x430 [ 51.451685] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.452713] RIP: 0033:0x7fbed8faa5cd [ 51.453472] 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 [ 51.456886] RSP: 002b:00007ffc5b95c370 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.458355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbed8faa5cd [ 51.459752] RDX: 000055eb51ecde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.461158] RBP: 00007ffc5b95c3d0 R08: 0000000000000000 R09: 00007ffc5b95ba70 [ 51.462542] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb6c40f240 [ 51.463948] R13: 00007ffc5b95c800 R14: 000055eb6c40ebf0 R15: 000055eb6c4234d0 [ 51.465360] [ 51.465823] irq event stamp: 1691 [ 51.466523] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 51.468194] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 51.469867] softirqs last enabled at (1594): [] handle_softirqs+0x50c/0x770 [ 51.471549] softirqs last disabled at (1589): [] __irq_exit_rcu+0xc4/0x100 [ 51.473065] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41781' (ECDSA) to the list of known hosts. 2025/11/17 22:07:45 fuzzer started 2025/11/17 22:07:46 dialing manager at localhost:37895 2025/11/17 22:07:46 checking machine... 2025/11/17 22:07:46 checking revisions... [ 52.347165] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:07:46 testing simple program... [ 52.433178] cgroup: Unknown subsys name 'net' [ 52.491668] cgroup: Unknown subsys name 'cpuset' [ 52.503930] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:07:45 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff888015a97718 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff815bcfa0 RFL=00000216 [----AP-] 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 00007f39458af900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3944fc4000 CR3=000000000d65c000 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=0976930b388fe09f7c40d1aaab08c5c2 XMM02=00000000002ffd38eff9b2d0a8fce9cb XMM03=00000000002ffe082c67c8bc2e329bc3 XMM04=aa8c05c4da38ad0800000000000ae988 XMM05=68e9127bd686667b000000000031ee80 XMM06=07c8bb74b6c04a44000000000031d9a8 XMM07=fb795ef6d6577056000000000030d870 XMM08=2c67c8bc2e329bc300000000002ffda8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff86726158 RBX=ffffffff86726154 RCX=ffffffff81b2d488 RDX=0000000000000000 RSI=ffffffff86ab8c2a RDI=ffffffff86726150 RBP=ffffffff86726158 RSP=ffff88801a2f78e8 R8 =ffffffff86ab8c2a R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025767 R12=ffffffff86726158 R13=ffffffff86726150 R14=ffffffff86726154 R15=dffffc0000000000 RIP=ffffffff8135da8a 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 00007f3f8c4e6900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3f8c4c5020 CR3=000000001e20e000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000