syzkaller login: [ 46.229548] ------------[ cut here ]------------ [ 46.230706] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.233178] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.234977] Modules linked in: [ 46.235732] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.237760] Tainted: [W]=WARN [ 46.238371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.239902] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.240853] 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 [ 46.244111] RSP: 0018:ffff8880164cfbc0 EFLAGS: 00010286 [ 46.245054] RAX: 0000000000000000 RBX: ffffed1002c99f78 RCX: ffffffff813a4050 [ 46.246401] RDX: ffff8880155a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.247745] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c99f2f [ 46.249071] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.250452] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164cfdf8 [ 46.251791] FS: 00007fe55c394900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.253259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.254350] CR2: 00007fe55c886580 CR3: 000000000d20d000 CR4: 0000000000350ef0 [ 46.255687] Call Trace: [ 46.256202] [ 46.256635] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.257554] ? __create_object+0x59/0x80 [ 46.258393] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.259408] __vmalloc_noprof+0x59/0x60 [ 46.260205] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.261053] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.262020] bpf_prog_alloc+0x39/0x200 [ 46.262798] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.263781] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.264707] do_seccomp+0x349/0x25e0 [ 46.265434] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.266363] ? __pfx_do_seccomp+0x10/0x10 [ 46.267200] ? find_held_lock+0x2b/0x80 [ 46.267952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.268943] ? static_key_count+0x60/0x80 [ 46.269782] prctl_set_seccomp+0x4e/0x70 [ 46.270552] __do_sys_prctl+0xe6c/0x1d70 [ 46.271397] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.272282] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.273276] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.274286] ? irqentry_exit+0xf3/0x650 [ 46.275051] do_syscall_64+0xbf/0x430 [ 46.275862] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.276866] RIP: 0033:0x7fe55c8865cd [ 46.277592] 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 [ 46.280930] RSP: 002b:00007fff7e60ca60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.282355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe55c8865cd [ 46.283693] RDX: 000055c696109e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.285022] RBP: 00007fff7e60cac0 R08: 0000000000000000 R09: 00007fff7e60c160 [ 46.286382] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c6ae66f2b0 [ 46.287743] R13: 00007fff7e60cef0 R14: 000055c6ae671d20 R15: 000055c6ae6838d0 [ 46.289121] [ 46.289552] irq event stamp: 1911 [ 46.290260] hardirqs last enabled at (1921): [] __up_console_sem+0x78/0x80 [ 46.291876] hardirqs last disabled at (1930): [] __up_console_sem+0x5d/0x80 [ 46.293432] softirqs last enabled at (1878): [] handle_softirqs+0x50c/0x770 [ 46.295046] softirqs last disabled at (1873): [] __irq_exit_rcu+0xc4/0x100 [ 46.296596] ---[ end trace 0000000000000000 ]--- [ 49.246409] ------------[ cut here ]------------ [ 49.247406] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.249546] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.251076] Modules linked in: [ 49.251756] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.254067] Tainted: [W]=WARN [ 49.254735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.256285] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.257240] 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 [ 49.260553] RSP: 0018:ffff888016837bc0 EFLAGS: 00010286 [ 49.261565] RAX: 0000000000000000 RBX: ffffed1002d06f78 RCX: ffffffff813a4050 [ 49.262901] RDX: ffff8880159cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.264241] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d06f2f [ 49.265568] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.266898] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016837df8 [ 49.268247] FS: 00007fd460f7c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.269737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.270825] CR2: 00007fd4614e24a6 CR3: 000000000e0e4000 CR4: 0000000000350ef0 [ 49.272156] Call Trace: [ 49.272641] [ 49.273059] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.273988] ? __create_object+0x59/0x80 [ 49.274789] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.275794] __vmalloc_noprof+0x59/0x60 [ 49.276581] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.277477] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.278423] bpf_prog_alloc+0x39/0x200 [ 49.279183] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.280158] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.281040] do_seccomp+0x349/0x25e0 [ 49.281773] ? find_held_lock+0x2b/0x80 [ 49.282551] ? do_prlimit+0x310/0x610 [ 49.283310] ? __pfx_do_seccomp+0x10/0x10 [ 49.284074] ? do_raw_spin_unlock+0x53/0x220 [ 49.284935] ? _raw_spin_unlock+0x1e/0x40 [ 49.285742] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.286727] ? static_key_count+0x60/0x80 [ 49.287551] prctl_set_seccomp+0x4e/0x70 [ 49.288358] __do_sys_prctl+0xe6c/0x1d70 [ 49.289159] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.289990] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.290977] ? irqentry_exit+0xf3/0x650 [ 49.291760] do_syscall_64+0xbf/0x430 [ 49.292521] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.293483] RIP: 0033:0x7fd46146e5cd [ 49.294195] 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 [ 49.297229] RSP: 002b:00007ffc4e4580b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.298457] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd46146e5cd [ 49.299618] RDX: 000055a358708e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.300753] RBP: 00007ffc4e458110 R08: 0000000000000000 R09: 00007ffc4e4577b0 [ 49.301888] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a368620ad0 [ 49.303025] R13: 00007ffc4e458540 R14: 000055a368621bc0 R15: 000055a368632780 [ 49.304183] [ 49.304564] irq event stamp: 1919 [ 49.305141] hardirqs last enabled at (1929): [] __up_console_sem+0x78/0x80 [ 49.306490] hardirqs last disabled at (1938): [] __up_console_sem+0x5d/0x80 [ 49.307833] softirqs last enabled at (1858): [] handle_softirqs+0x50c/0x770 [ 49.309186] softirqs last disabled at (1853): [] __irq_exit_rcu+0xc4/0x100 [ 49.310520] ---[ end trace 0000000000000000 ]--- [ 49.940274] ------------[ cut here ]------------ [ 49.941314] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.943681] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.945374] Modules linked in: [ 49.946046] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.948379] Tainted: [W]=WARN [ 49.949012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.950692] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.951745] 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 [ 49.955335] RSP: 0018:ffff88801717fbc0 EFLAGS: 00010286 [ 49.956414] RAX: 0000000000000000 RBX: ffffed1002e2ff78 RCX: ffffffff813a4050 [ 49.957807] RDX: ffff88801a9c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.959204] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2ff2f [ 49.960615] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.962006] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801717fdf8 [ 49.963399] FS: 00007f20938ae900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.964949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.966107] CR2: 00007ffe1ad3def8 CR3: 0000000009a2d000 CR4: 0000000000350ef0 [ 49.967503] Call Trace: [ 49.967999] [ 49.968488] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.969460] ? __create_object+0x59/0x80 [ 49.970295] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.971342] __vmalloc_noprof+0x59/0x60 [ 49.972176] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.973126] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.974076] bpf_prog_alloc+0x39/0x200 [ 49.974876] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.975888] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.976858] do_seccomp+0x349/0x25e0 [ 49.977629] ? find_held_lock+0x2b/0x80 [ 49.978439] ? do_prlimit+0x310/0x610 [ 49.979231] ? __pfx_do_seccomp+0x10/0x10 [ 49.980040] ? do_raw_spin_unlock+0x53/0x220 [ 49.980934] ? _raw_spin_unlock+0x1e/0x40 [ 49.981768] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.982777] ? static_key_count+0x60/0x80 [ 49.983628] prctl_set_seccomp+0x4e/0x70 [ 49.984459] __do_sys_prctl+0xe6c/0x1d70 [ 49.985315] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.986232] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.987262] ? irqentry_exit+0xf3/0x650 [ 49.988054] do_syscall_64+0xbf/0x430 [ 49.988854] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.989856] RIP: 0033:0x7f2093da05cd [ 49.990600] 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 [ 49.993958] RSP: 002b:00007ffe1ad3c780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.995400] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2093da05cd [ 49.996611] RDX: 000055f7a946ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.997576] RBP: 00007ffe1ad3c7e0 R08: 0000000000000000 R09: 00007ffe1ad3be80 [ 49.998534] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7cb6bfad0 [ 49.999509] R13: 00007ffe1ad3cc10 R14: 000055f7cb6c0bc0 R15: 000055f7cb6d1780 [ 50.000411] [ 50.000612] irq event stamp: 1733 [ 50.000899] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 50.001636] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 50.002363] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 50.003101] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 50.003804] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65451' (ECDSA) to the list of known hosts. 2025/11/17 09:01:40 fuzzer started 2025/11/17 09:01:40 dialing manager at localhost:37895 2025/11/17 09:01:40 checking machine... 2025/11/17 09:01:40 checking revisions... [ 50.929808] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:01:40 testing simple program... [ 51.032267] cgroup: Unknown subsys name 'net' [ 51.084008] cgroup: Unknown subsys name 'cpuset' [ 51.096957] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:01:40 Registers: info registers vcpu 0 RAX=ffffea000075f188 RBX=0000000000000001 RCX=ffffffff819edfb7 RDX=ffff888015840000 RSI=ffffffff819f3ef6 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff888015b175f8 R8 =0000000000000000 R9 =ffffed1002a91516 R10=0000000000007aba R11=0000000000000001 R12=800000001d7b4025 R13=ffff888015b179f8 R14=ffff888009bc29e8 R15=dffffc0000000000 RIP=ffffffff819f3f1c 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 00007fd460f7c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd460f41008 CR3=000000001f027000 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 info registers vcpu 1 RAX=0000000000000001 RBX=ffff888009643780 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880096441d8 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526ff1 RFL=00000817 [-O--APC] 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 0000000000000000 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=00007f73750a1010 CR3=000000000d307000 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=0307d2a4ce377881d745240f97c7eeca XMM02=2c67c8bc2e329bc300000000003023a8 XMM03=fb795ef6d6577056000000000030ee30 XMM04=95ebf565ff8b458500000000000ae988 XMM05=d96330e2d2db8632000000000031f260 XMM06=eb39fc5cefbea5460000000000318d18 XMM07=e042d86d42eb936e000000000030f0b0 XMM08=ba60045b5d7113fc0000000000302408 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000