syzkaller login: [ 38.961760] ------------[ cut here ]------------ [ 38.962666] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.964787] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.966482] Modules linked in: [ 38.967196] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.969221] Tainted: [W]=WARN [ 38.969818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.971312] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.972243] 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 [ 38.975435] RSP: 0018:ffff88801897fbc0 EFLAGS: 00010286 [ 38.976417] RAX: 0000000000000000 RBX: ffffed100312ff78 RCX: ffffffff813a4050 [ 38.977715] RDX: ffff888015dbd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.979011] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100312ff2f [ 38.980290] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.981617] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801897fdf8 [ 38.982914] FS: 00007f258c1a0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.984359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.985430] CR2: 00007ffeef7f2ef8 CR3: 000000000d077000 CR4: 0000000000350ef0 [ 38.986730] Call Trace: [ 38.987202] [ 38.987608] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.988516] ? __create_object+0x59/0x80 [ 38.989320] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.990289] __vmalloc_noprof+0x59/0x60 [ 38.991057] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.991944] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.992884] bpf_prog_alloc+0x39/0x200 [ 38.993594] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.994529] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.995434] do_seccomp+0x349/0x25e0 [ 38.996163] ? find_held_lock+0x2b/0x80 [ 38.996928] ? do_prlimit+0x310/0x610 [ 38.997645] ? __pfx_do_seccomp+0x10/0x10 [ 38.998447] ? do_raw_spin_unlock+0x53/0x220 [ 38.999276] ? _raw_spin_unlock+0x1e/0x40 [ 39.000057] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.001022] ? static_key_count+0x60/0x80 [ 39.001845] prctl_set_seccomp+0x4e/0x70 [ 39.002582] __do_sys_prctl+0xe6c/0x1d70 [ 39.003381] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.004232] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.005232] ? irqentry_exit+0xf3/0x650 [ 39.006021] do_syscall_64+0xbf/0x430 [ 39.006768] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.007743] RIP: 0033:0x7f258c6925cd [ 39.008404] 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 [ 39.011632] RSP: 002b:00007ffeef7f1210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.013019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f258c6925cd [ 39.014320] RDX: 000055f9083eae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.015602] RBP: 00007ffeef7f1270 R08: 0000000000000000 R09: 00007ffeef7f0910 [ 39.016877] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f93e58fad0 [ 39.018178] R13: 00007ffeef7f16a0 R14: 000055f93e590bc0 R15: 000055f93e5a1780 [ 39.019478] [ 39.019938] irq event stamp: 1827 [ 39.020544] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 39.022077] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 39.023606] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 39.025149] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 39.026708] ---[ end trace 0000000000000000 ]--- [ 42.048311] ------------[ cut here ]------------ [ 42.049236] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.051205] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 42.052657] Modules linked in: [ 42.053285] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.055223] Tainted: [W]=WARN [ 42.055799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.057244] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.058149] 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 [ 42.061256] RSP: 0018:ffff88801696fbc0 EFLAGS: 00010286 [ 42.062212] RAX: 0000000000000000 RBX: ffffed1002d2df78 RCX: ffffffff813a4050 [ 42.063457] RDX: ffff888015d75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.064711] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2df2f [ 42.065980] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.067239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801696fdf8 [ 42.068498] FS: 00007fad9fbbe900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.069918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.070963] CR2: 00007ffe53c13ef8 CR3: 000000000cbd5000 CR4: 0000000000350ef0 [ 42.072219] Call Trace: [ 42.072709] [ 42.073110] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.074006] ? __create_object+0x59/0x80 [ 42.074772] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.075722] __vmalloc_noprof+0x59/0x60 [ 42.076422] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.077297] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.078213] bpf_prog_alloc+0x39/0x200 [ 42.078936] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.079853] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.080741] do_seccomp+0x349/0x25e0 [ 42.081413] ? find_held_lock+0x2b/0x80 [ 42.082161] ? do_prlimit+0x310/0x610 [ 42.082891] ? __pfx_do_seccomp+0x10/0x10 [ 42.083618] ? do_raw_spin_unlock+0x53/0x220 [ 42.084433] ? _raw_spin_unlock+0x1e/0x40 [ 42.085209] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.086161] ? static_key_count+0x60/0x80 [ 42.086953] prctl_set_seccomp+0x4e/0x70 [ 42.087668] __do_sys_prctl+0xe6c/0x1d70 [ 42.088436] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.089295] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.090254] ? irqentry_exit+0xf3/0x650 [ 42.091005] do_syscall_64+0xbf/0x430 [ 42.091745] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.092634] RIP: 0033:0x7fada00b05cd [ 42.093341] 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 [ 42.096447] RSP: 002b:00007ffe53c12a30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.097809] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fada00b05cd [ 42.099065] RDX: 00005649da3b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.100319] RBP: 00007ffe53c12a90 R08: 0000000000000000 R09: 00007ffe53c12130 [ 42.101590] R10: 0000000000000000 R11: 0000000000000246 R12: 00005649e335ab10 [ 42.102850] R13: 00007ffe53c12ec0 R14: 00005649e335b2b0 R15: 00005649e336f6f0 [ 42.104125] [ 42.104540] irq event stamp: 1759 [ 42.105175] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 42.106702] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 42.108188] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 42.109716] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 42.111202] ---[ end trace 0000000000000000 ]--- [ 42.811199] ------------[ cut here ]------------ [ 42.812114] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.814075] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 42.815757] Modules linked in: [ 42.816345] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.818370] Tainted: [W]=WARN [ 42.818970] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.820414] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.821392] 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 [ 42.824495] RSP: 0018:ffff88800f5f7bc0 EFLAGS: 00010286 [ 42.825475] RAX: 0000000000000000 RBX: ffffed1001ebef78 RCX: ffffffff813a4050 [ 42.826735] RDX: ffff888016f85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.828023] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ebef2f [ 42.829318] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.830585] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f5f7df8 [ 42.831853] FS: 00007fbaeb3fa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.833265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.834312] CR2: 00007fff383ceef8 CR3: 000000001e560000 CR4: 0000000000350ef0 [ 42.835578] Call Trace: [ 42.836069] [ 42.836474] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.837368] ? __create_object+0x59/0x80 [ 42.838132] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.839094] __vmalloc_noprof+0x59/0x60 [ 42.839848] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.840724] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.841627] bpf_prog_alloc+0x39/0x200 [ 42.842352] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.843266] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.844160] do_seccomp+0x349/0x25e0 [ 42.844866] ? find_held_lock+0x2b/0x80 [ 42.845574] ? do_prlimit+0x310/0x610 [ 42.846305] ? __pfx_do_seccomp+0x10/0x10 [ 42.847081] ? do_raw_spin_unlock+0x53/0x220 [ 42.847896] ? _raw_spin_unlock+0x1e/0x40 [ 42.848622] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.849574] ? static_key_count+0x60/0x80 [ 42.850369] prctl_set_seccomp+0x4e/0x70 [ 42.851130] __do_sys_prctl+0xe6c/0x1d70 [ 42.851892] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.852742] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.853728] ? irqentry_exit+0xf3/0x650 [ 42.854432] do_syscall_64+0xbf/0x430 [ 42.855171] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.856116] RIP: 0033:0x7fbaeb8ec5cd [ 42.856816] 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 [ 42.859948] RSP: 002b:00007fff383ccb50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.861311] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbaeb8ec5cd [ 42.862589] RDX: 000055d119e17e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.863856] RBP: 00007fff383ccbb0 R08: 0000000000000000 R09: 00007fff383cc250 [ 42.865114] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d1219e1240 [ 42.866393] R13: 00007fff383ccfe0 R14: 000055d1219ea380 R15: 000055d1219f5540 [ 42.867719] [ 42.868148] irq event stamp: 1795 [ 42.868788] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 42.870310] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 42.871803] softirqs last enabled at (1516): [] handle_softirqs+0x50c/0x770 [ 42.873332] softirqs last disabled at (1511): [] __irq_exit_rcu+0xc4/0x100 [ 42.874693] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15424' (ECDSA) to the list of known hosts. 2025/11/18 11:31:01 fuzzer started 2025/11/18 11:31:01 dialing manager at localhost:34383 2025/11/18 11:31:01 checking machine... 2025/11/18 11:31:01 checking revisions... [ 43.755389] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:31:01 testing simple program... [ 43.854633] cgroup: Unknown subsys name 'net' [ 43.936624] cgroup: Unknown subsys name 'cpuset' [ 43.955832] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:31:00 Registers: info registers vcpu 0 RAX=ffff88800c731de0 RBX=ffff88800c731de0 RCX=ffff888008c4b780 RDX=ffffea000031cc40 RSI=0000000000000000 RDI=ffff888008c4b701 RBP=0000000000000000 RSP=ffff888015bf7630 R8 =0000000000000001 R9 =ffffffff81b2e42b R10=ffffea0000274c00 R11=0000000000000001 R12=0000000000000000 R13=ffff888015bf7668 R14=ffff888009d30378 R15=ffff888009d30378 RIP=ffffffff81b2e476 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 00007f2dccc16900 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=00007fada0175618 CR3=000000000cdfb000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=0101bfd74f38a7df00000000000ae988 XMM05=59aec3b88fa304e20000000000321fb8 XMM06=e1bcd410fb3842e600000000003206b0 XMM07=fb795ef6d65770560000000000310be8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff888016f81bc0 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888016f82618 RSP=ffff888016417750 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016f82618 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527049 RFL=00000046 [---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 00007fad9fbbe900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe53c0c000 CR3=000000000c527000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000