syzkaller login: [ 38.974955] ------------[ cut here ]------------ [ 38.975863] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.977920] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.979362] Modules linked in: [ 38.979991] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.981991] Tainted: [W]=WARN [ 38.982587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.984054] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.984981] 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 [ 38.988123] RSP: 0018:ffff888009f4fbc0 EFLAGS: 00010286 [ 38.989104] RAX: 0000000000000000 RBX: ffffed10013e9f78 RCX: ffffffff813a4050 [ 38.990389] RDX: ffff88800ad25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.991657] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013e9f2f [ 38.992950] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.994218] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009f4fdf8 [ 38.995511] FS: 00007f2ba63e8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.996956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.998014] CR2: 00007ffeeb04aef7 CR3: 000000000e627000 CR4: 0000000000350ef0 [ 38.999287] Call Trace: [ 38.999799] [ 39.000216] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.001119] ? __create_object+0x59/0x80 [ 39.001905] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.002893] __vmalloc_noprof+0x59/0x60 [ 39.003657] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.004533] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.005406] bpf_prog_alloc+0x39/0x200 [ 39.006123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.007072] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.007977] do_seccomp+0x349/0x25e0 [ 39.008707] ? find_held_lock+0x2b/0x80 [ 39.009430] ? do_prlimit+0x310/0x610 [ 39.010163] ? __pfx_do_seccomp+0x10/0x10 [ 39.011008] ? do_raw_spin_unlock+0x53/0x220 [ 39.011849] ? _raw_spin_unlock+0x1e/0x40 [ 39.012632] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.013596] ? static_key_count+0x60/0x80 [ 39.014351] prctl_set_seccomp+0x4e/0x70 [ 39.015124] __do_sys_prctl+0xe6c/0x1d70 [ 39.015934] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.016813] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.017812] ? irqentry_exit+0xf3/0x650 [ 39.018566] do_syscall_64+0xbf/0x430 [ 39.019261] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.020191] RIP: 0033:0x7f2ba68da5cd [ 39.020909] 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 [ 39.024095] RSP: 002b:00007ffeeb0491e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.025497] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ba68da5cd [ 39.026773] RDX: 0000558a16e3ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.028050] RBP: 00007ffeeb049240 R08: 0000000000000000 R09: 00007ffeeb0488e0 [ 39.029352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a1be7fad0 [ 39.030641] R13: 00007ffeeb049670 R14: 0000558a1be80bc0 R15: 0000558a1be91780 [ 39.031944] [ 39.032372] irq event stamp: 1699 [ 39.033026] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 39.034517] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 39.036044] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 39.037590] softirqs last disabled at (1613): [] __irq_exit_rcu+0xc4/0x100 [ 39.039122] ---[ end trace 0000000000000000 ]--- [ 41.717429] ------------[ cut here ]------------ [ 41.718386] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.720431] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.721929] Modules linked in: [ 41.722556] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.724521] Tainted: [W]=WARN [ 41.725082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.726778] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.727770] 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 [ 41.731226] RSP: 0018:ffff888016fffbc0 EFLAGS: 00010286 [ 41.732190] RAX: 0000000000000000 RBX: ffffed1002dfff78 RCX: ffffffff813a4050 [ 41.733466] RDX: ffff88800f171bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.735031] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dfff2f [ 41.736306] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.737600] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fffdf8 [ 41.738885] FS: 00007ff2b1ec6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.740314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.741390] CR2: 00007ff2b23b8580 CR3: 00000000205e4000 CR4: 0000000000350ef0 [ 41.742667] Call Trace: [ 41.743126] [ 41.743575] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.744429] ? __create_object+0x59/0x80 [ 41.745215] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.746187] __vmalloc_noprof+0x59/0x60 [ 41.746939] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.747804] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.748746] bpf_prog_alloc+0x39/0x200 [ 41.749438] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.750378] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.751275] do_seccomp+0x349/0x25e0 [ 41.752010] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.752912] ? __pfx_do_seccomp+0x10/0x10 [ 41.753713] ? find_held_lock+0x2b/0x80 [ 41.754435] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.755395] ? static_key_count+0x60/0x80 [ 41.756194] prctl_set_seccomp+0x4e/0x70 [ 41.756982] __do_sys_prctl+0xe6c/0x1d70 [ 41.757768] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.758639] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.759616] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.760600] ? irqentry_exit+0xf3/0x650 [ 41.761334] do_syscall_64+0xbf/0x430 [ 41.762073] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.763039] RIP: 0033:0x7ff2b23b85cd [ 41.763743] 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 [ 41.766916] RSP: 002b:00007fff0ae4d810 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.768252] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2b23b85cd [ 41.769573] RDX: 000055edd7dc8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.770858] RBP: 00007fff0ae4d870 R08: 0000000000000000 R09: 00007fff0ae4cf10 [ 41.772129] R10: 0000000000000000 R11: 0000000000000246 R12: 000055edf578c240 [ 41.773422] R13: 00007fff0ae4dca0 R14: 000055edf578bbf0 R15: 000055edf57a04d0 [ 41.774754] [ 41.775185] irq event stamp: 1855 [ 41.775837] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 41.777381] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 41.778695] softirqs last enabled at (1844): [] handle_softirqs+0x50c/0x770 [ 41.779969] softirqs last disabled at (1839): [] __irq_exit_rcu+0xc4/0x100 [ 41.781236] ---[ end trace 0000000000000000 ]--- [ 42.541720] ------------[ cut here ]------------ [ 42.542668] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.544771] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.546299] Modules linked in: [ 42.546950] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.549003] Tainted: [W]=WARN [ 42.549652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.551147] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.552088] 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 [ 42.555388] RSP: 0018:ffff888018757bc0 EFLAGS: 00010286 [ 42.556394] RAX: 0000000000000000 RBX: ffffed10030eaf78 RCX: ffffffff813a4050 [ 42.557771] RDX: ffff8880172ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.559093] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030eaf2f [ 42.560436] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.561782] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018757df8 [ 42.563116] FS: 00007f005a029900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.564600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.565706] CR2: 00007ffe07880ef7 CR3: 00000000166b5000 CR4: 0000000000350ef0 [ 42.567025] Call Trace: [ 42.567570] [ 42.567994] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.568958] ? __create_object+0x59/0x80 [ 42.569819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.570827] __vmalloc_noprof+0x59/0x60 [ 42.571619] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.572553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.573565] bpf_prog_alloc+0x39/0x200 [ 42.574275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.575222] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.576267] do_seccomp+0x349/0x25e0 [ 42.577167] ? find_held_lock+0x2b/0x80 [ 42.577973] ? do_prlimit+0x310/0x610 [ 42.578746] ? __pfx_do_seccomp+0x10/0x10 [ 42.579594] ? do_raw_spin_unlock+0x53/0x220 [ 42.580431] ? _raw_spin_unlock+0x1e/0x40 [ 42.581279] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.582279] ? static_key_count+0x60/0x80 [ 42.583111] prctl_set_seccomp+0x4e/0x70 [ 42.583938] __do_sys_prctl+0xe6c/0x1d70 [ 42.584758] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.585612] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.586575] ? irqentry_exit+0xf3/0x650 [ 42.587293] do_syscall_64+0xbf/0x430 [ 42.588032] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.588972] RIP: 0033:0x7f005a51b5cd [ 42.589670] 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 [ 42.592811] RSP: 002b:00007ffe0787f040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.594243] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f005a51b5cd [ 42.595555] RDX: 000056024a2b1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.596831] RBP: 00007ffe0787f0a0 R08: 0000000000000000 R09: 00007ffe0787e740 [ 42.598109] R10: 0000000000000000 R11: 0000000000000246 R12: 00005602871d7240 [ 42.599383] R13: 00007ffe0787f4d0 R14: 00005602871e0380 R15: 00005602871eb540 [ 42.600676] [ 42.601099] irq event stamp: 1769 [ 42.601759] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 42.603262] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 42.604822] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.606350] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 42.607858] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12459' (ECDSA) to the list of known hosts. 2025/11/17 17:28:17 fuzzer started 2025/11/17 17:28:17 dialing manager at localhost:37895 2025/11/17 17:28:17 checking machine... 2025/11/17 17:28:17 checking revisions... [ 43.487355] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:28:17 testing simple program... [ 43.565160] cgroup: Unknown subsys name 'net' [ 43.629197] cgroup: Unknown subsys name 'cpuset' [ 43.644707] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:28:16 Registers: info registers vcpu 0 RAX=ffff888009f4ff48 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888009f4fe01 RSI=ffff888009f4fee8 RDI=ffff888009f4fee8 RBP=ffff888009f4f518 RSP=ffff888009f4f450 R8 =0000000000000001 R9 =ffff888009f4f500 R10=000000000003c9ed R11=00000000000231c7 R12=ffff888009f4f520 R13=ffff888009f4f508 R14=ffff888009f4fee8 R15=ffff888009f4f4c0 RIP=ffffffff8135fb38 RFL=00000202 [-------] 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 00007ff2b1ec6900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff2b1ea5020 CR3=0000000020567000 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=00000000000215d9 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdb68a93d8 CR3=000000000d7cb000 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=2036313a38323a373120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036313a38323a3731203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000