syzkaller login: [ 39.066624] ------------[ cut here ]------------ [ 39.067575] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.069589] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.071016] Modules linked in: [ 39.071661] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.073639] Tainted: [W]=WARN [ 39.074203] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.075672] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.076599] 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 [ 39.079749] RSP: 0018:ffff888017107bc0 EFLAGS: 00010286 [ 39.080717] RAX: 0000000000000000 RBX: ffffed1002e20f78 RCX: ffffffff813a4050 [ 39.081988] RDX: ffff8880186cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.083279] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e20f2f [ 39.084533] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.085792] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017107df8 [ 39.087083] FS: 00007f1ee04ff900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.088513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.089567] CR2: 00007ffe1ac51ef7 CR3: 000000001c39a000 CR4: 0000000000350ef0 [ 39.090860] Call Trace: [ 39.091327] [ 39.091775] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.092678] ? __create_object+0x59/0x80 [ 39.093405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.094388] __vmalloc_noprof+0x59/0x60 [ 39.095146] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.096013] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.096935] bpf_prog_alloc+0x39/0x200 [ 39.097677] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.098632] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.099535] do_seccomp+0x349/0x25e0 [ 39.100204] ? find_held_lock+0x2b/0x80 [ 39.100948] ? do_prlimit+0x310/0x610 [ 39.101676] ? __pfx_do_seccomp+0x10/0x10 [ 39.102428] ? do_raw_spin_unlock+0x53/0x220 [ 39.103257] ? _raw_spin_unlock+0x1e/0x40 [ 39.104039] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.104998] ? static_key_count+0x60/0x80 [ 39.105808] prctl_set_seccomp+0x4e/0x70 [ 39.106591] __do_sys_prctl+0xe6c/0x1d70 [ 39.107322] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.108171] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.109136] ? irqentry_exit+0xf3/0x650 [ 39.109906] do_syscall_64+0xbf/0x430 [ 39.110648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.111593] RIP: 0033:0x7f1ee09f15cd [ 39.112240] 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 [ 39.115371] RSP: 002b:00007ffe1ac50090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.116721] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ee09f15cd [ 39.118013] RDX: 000055e1ffa29e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.119280] RBP: 00007ffe1ac500f0 R08: 0000000000000000 R09: 00007ffe1ac4f790 [ 39.120548] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e200c96ad0 [ 39.121832] R13: 00007ffe1ac50520 R14: 000055e200c97bc0 R15: 000055e200ca8780 [ 39.123138] [ 39.123617] irq event stamp: 1773 [ 39.124211] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 39.125716] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 39.127231] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 39.128772] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 39.130279] ---[ end trace 0000000000000000 ]--- [ 41.789265] ------------[ cut here ]------------ [ 41.790208] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.792249] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.793742] Modules linked in: [ 41.794342] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.796320] Tainted: [W]=WARN [ 41.796913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.798386] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.799287] 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 [ 41.802468] RSP: 0018:ffff8880166e7bc0 EFLAGS: 00010286 [ 41.803453] RAX: 0000000000000000 RBX: ffffed1002cdcf78 RCX: ffffffff813a4050 [ 41.804765] RDX: ffff8880199c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.806062] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdcf2f [ 41.807357] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.808656] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166e7df8 [ 41.809930] FS: 00007f7c8087f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.811370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.812439] CR2: 00007ffdcb241ef7 CR3: 00000000201fa000 CR4: 0000000000350ef0 [ 41.813740] Call Trace: [ 41.814220] [ 41.814671] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.815566] ? __create_object+0x59/0x80 [ 41.816310] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.817311] __vmalloc_noprof+0x59/0x60 [ 41.818082] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.818969] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.819912] bpf_prog_alloc+0x39/0x200 [ 41.820669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.821608] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.822545] do_seccomp+0x349/0x25e0 [ 41.823227] ? find_held_lock+0x2b/0x80 [ 41.824009] ? do_prlimit+0x310/0x610 [ 41.824754] ? __pfx_do_seccomp+0x10/0x10 [ 41.825552] ? do_raw_spin_unlock+0x53/0x220 [ 41.826352] ? _raw_spin_unlock+0x1e/0x40 [ 41.827137] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.828102] ? static_key_count+0x60/0x80 [ 41.828893] prctl_set_seccomp+0x4e/0x70 [ 41.829690] __do_sys_prctl+0xe6c/0x1d70 [ 41.830454] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.831315] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.832280] ? irqentry_exit+0xf3/0x650 [ 41.833043] do_syscall_64+0xbf/0x430 [ 41.833783] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.834754] RIP: 0033:0x7f7c80d715cd [ 41.835421] 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 [ 41.838510] RSP: 002b:00007ffdcb23f540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.839360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c80d715cd [ 41.840183] RDX: 000055ee61078e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.841009] RBP: 00007ffdcb23f5a0 R08: 0000000000000000 R09: 00007ffdcb23ec40 [ 41.841833] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ee93faa2b0 [ 41.842624] R13: 00007ffdcb23f9d0 R14: 000055ee93facd20 R15: 000055ee93fbe8d0 [ 41.843200] [ 41.843395] irq event stamp: 1775 [ 41.843697] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 41.844387] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 41.845085] softirqs last enabled at (1260): [] handle_softirqs+0x50c/0x770 [ 41.845794] softirqs last disabled at (1239): [] __irq_exit_rcu+0xc4/0x100 [ 41.846500] ---[ end trace 0000000000000000 ]--- [ 42.432655] ------------[ cut here ]------------ [ 42.433071] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.433999] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.434671] Modules linked in: [ 42.434942] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.436009] Tainted: [W]=WARN [ 42.436263] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.437113] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.437641] 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 [ 42.439224] RSP: 0018:ffff888016b9fbc0 EFLAGS: 00010286 [ 42.439781] RAX: 0000000000000000 RBX: ffffed1002d73f78 RCX: ffffffff813a4050 [ 42.440347] RDX: ffff88800fb00000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.441035] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d73f2f [ 42.441742] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.442311] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b9fdf8 [ 42.442999] FS: 00007f9adf0b8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.443730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.444196] CR2: 00007ffc2d852ef7 CR3: 0000000015b33000 CR4: 0000000000350ef0 [ 42.444862] Call Trace: [ 42.445074] [ 42.445262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.445745] ? __create_object+0x59/0x80 [ 42.446086] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.446603] __vmalloc_noprof+0x59/0x60 [ 42.446927] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.447297] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.447719] bpf_prog_alloc+0x39/0x200 [ 42.448033] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.448433] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.448846] do_seccomp+0x349/0x25e0 [ 42.449155] ? find_held_lock+0x2b/0x80 [ 42.449498] ? do_prlimit+0x310/0x610 [ 42.449818] ? __pfx_do_seccomp+0x10/0x10 [ 42.450161] ? do_raw_spin_unlock+0x53/0x220 [ 42.450546] ? _raw_spin_unlock+0x1e/0x40 [ 42.450885] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.451300] ? static_key_count+0x60/0x80 [ 42.451663] prctl_set_seccomp+0x4e/0x70 [ 42.451997] __do_sys_prctl+0xe6c/0x1d70 [ 42.452332] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.452722] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.453149] ? irqentry_exit+0xf3/0x650 [ 42.453504] do_syscall_64+0xbf/0x430 [ 42.453821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.454241] RIP: 0033:0x7f9adf5aa5cd [ 42.454561] 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 [ 42.455997] RSP: 002b:00007ffc2d851760 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.456617] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9adf5aa5cd [ 42.457177] RDX: 00005573d9ea2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.457761] RBP: 00007ffc2d8517c0 R08: 0000000000000000 R09: 00007ffc2d850e60 [ 42.458328] R10: 0000000000000000 R11: 0000000000000246 R12: 00005573ddaa6bf0 [ 42.458916] R13: 00007ffc2d851bf0 R14: 00005573ddab0380 R15: 00005573ddabb460 [ 42.459510] [ 42.459705] irq event stamp: 2273 [ 42.459976] hardirqs last enabled at (2281): [] __up_console_sem+0x78/0x80 [ 42.460674] hardirqs last disabled at (2290): [] __up_console_sem+0x5d/0x80 [ 42.461350] softirqs last enabled at (2164): [] handle_softirqs+0x50c/0x770 [ 42.462065] softirqs last disabled at (2159): [] __irq_exit_rcu+0xc4/0x100 [ 42.462770] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56154' (ECDSA) to the list of known hosts. 2025/11/18 05:10:20 fuzzer started 2025/11/18 05:10:20 dialing manager at localhost:37895 2025/11/18 05:10:20 checking machine... 2025/11/18 05:10:20 checking revisions... [ 43.289771] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:10:20 testing simple program... [ 43.379334] cgroup: Unknown subsys name 'net' [ 43.463540] cgroup: Unknown subsys name 'cpuset' [ 43.481977] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:10:20 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801569f518 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026761 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88801569f610 RIP=ffffffff815bcf75 RFL=00000247 [---Z-PC] 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 00007fad9eebb900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055ee93fe0000 CR3=000000000d138000 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=e56ebcb63443265900000000000ae988 XMM05=132e138ba71fe55300000000003207c8 XMM06=474038aa6c007e1f000000000031f5b8 XMM07=fb795ef6d6577056000000000030f138 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88800fb0a5c0 RBX=ffff88800fb19ad0 RCX=ffff88800faee000 RDX=ffff88800fabdc00 RSI=ffff88800faec000 RDI=0000000000000000 RBP=ffff8880200af000 RSP=ffff8880171076a8 R8 =0000000000000000 R9 =ffffed1002e20ec7 R10=0000000000000003 R11=0000000000000001 R12=ffff88800faec000 R13=0000000000002000 R14=0000000000000001 R15=0000000000000286 RIP=ffffffff81b62696 RFL=00000082 [--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 00007f7c8087f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7c80e36618 CR3=000000002026c000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000