syzkaller login: [ 46.403740] ------------[ cut here ]------------ [ 46.404594] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.406552] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.408004] Modules linked in: [ 46.408605] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.410607] Tainted: [W]=WARN [ 46.411441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.412975] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.413888] 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 [ 46.417043] RSP: 0018:ffff8880158f7bc0 EFLAGS: 00010286 [ 46.418019] RAX: 0000000000000000 RBX: ffffed1002b1ef78 RCX: ffffffff813a4050 [ 46.419290] RDX: ffff88801a718000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.420579] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b1ef2f [ 46.421850] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.423125] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880158f7df8 [ 46.424411] FS: 00007f6f073c2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.425839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.426909] CR2: 00007f6f078b4580 CR3: 000000000d8d2000 CR4: 0000000000350ef0 [ 46.428203] Call Trace: [ 46.428692] [ 46.429098] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.429993] ? __create_object+0x59/0x80 [ 46.430778] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.431757] __vmalloc_noprof+0x59/0x60 [ 46.432466] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.433328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.434251] bpf_prog_alloc+0x39/0x200 [ 46.434984] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.435924] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.436815] do_seccomp+0x349/0x25e0 [ 46.437477] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.438368] ? __pfx_do_seccomp+0x10/0x10 [ 46.439151] ? find_held_lock+0x2b/0x80 [ 46.439920] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.440884] ? static_key_count+0x60/0x80 [ 46.441634] prctl_set_seccomp+0x4e/0x70 [ 46.442408] __do_sys_prctl+0xe6c/0x1d70 [ 46.443186] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.444056] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.445022] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.445994] ? irqentry_exit+0xf3/0x650 [ 46.446756] do_syscall_64+0xbf/0x430 [ 46.447446] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.448422] RIP: 0033:0x7f6f078b45cd [ 46.449109] 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 [ 46.452267] RSP: 002b:00007ffe3f1fa130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.453630] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f078b45cd [ 46.454915] RDX: 000055ceec224e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.456218] RBP: 00007ffe3f1fa190 R08: 0000000000000000 R09: 00007ffe3f1f9830 [ 46.457494] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ceec436bf0 [ 46.458770] R13: 00007ffe3f1fa5c0 R14: 000055ceec440380 R15: 000055ceec44b460 [ 46.460073] [ 46.460494] irq event stamp: 1867 [ 46.461147] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 46.462663] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 46.464186] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 46.465707] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 46.467205] ---[ end trace 0000000000000000 ]--- [ 49.337498] ------------[ cut here ]------------ [ 49.338477] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.340562] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.342047] Modules linked in: [ 49.342629] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.344710] Tainted: [W]=WARN [ 49.345276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.346766] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.347630] 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 [ 49.350895] RSP: 0018:ffff88800f46fbc0 EFLAGS: 00010286 [ 49.351895] RAX: 0000000000000000 RBX: ffffed1001e8df78 RCX: ffffffff813a4050 [ 49.353198] RDX: ffff88800b065340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.354499] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e8df2f [ 49.355817] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.357112] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f46fdf8 [ 49.358413] FS: 00007fab2d6ca900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.359875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.360954] CR2: 00007ffc6206cef7 CR3: 000000000b007000 CR4: 0000000000350ef0 [ 49.362254] Call Trace: [ 49.362781] [ 49.363192] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.364120] ? __create_object+0x59/0x80 [ 49.364905] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.365888] __vmalloc_noprof+0x59/0x60 [ 49.366610] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.367485] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.368441] bpf_prog_alloc+0x39/0x200 [ 49.369195] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.370128] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.371029] do_seccomp+0x349/0x25e0 [ 49.371762] ? find_held_lock+0x2b/0x80 [ 49.372479] ? do_prlimit+0x310/0x610 [ 49.373231] ? __pfx_do_seccomp+0x10/0x10 [ 49.374040] ? do_raw_spin_unlock+0x53/0x220 [ 49.374883] ? _raw_spin_unlock+0x1e/0x40 [ 49.375624] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.376692] ? static_key_count+0x60/0x80 [ 49.377466] prctl_set_seccomp+0x4e/0x70 [ 49.378258] __do_sys_prctl+0xe6c/0x1d70 [ 49.379056] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.379942] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.380924] ? irqentry_exit+0xf3/0x650 [ 49.381690] do_syscall_64+0xbf/0x430 [ 49.382384] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.383333] RIP: 0033:0x7fab2dbbc5cd [ 49.384054] 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 [ 49.387255] RSP: 002b:00007ffc6206a280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.388669] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab2dbbc5cd [ 49.389958] RDX: 000055bae44a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.391256] RBP: 00007ffc6206a2e0 R08: 0000000000000000 R09: 00007ffc62069980 [ 49.392548] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb151202b0 [ 49.393833] R13: 00007ffc6206a710 R14: 000055bb15122d20 R15: 000055bb151348d0 [ 49.395147] [ 49.395581] irq event stamp: 1713 [ 49.396186] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 49.397457] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 49.398734] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 49.400033] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 49.401320] ---[ end trace 0000000000000000 ]--- [ 50.161422] ------------[ cut here ]------------ [ 50.162388] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.164387] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.165837] Modules linked in: [ 50.166430] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.168816] Tainted: [W]=WARN [ 50.169415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.171072] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.172079] 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 [ 50.175494] RSP: 0018:ffff888016b6fbc0 EFLAGS: 00010286 [ 50.176565] RAX: 0000000000000000 RBX: ffffed1002d6df78 RCX: ffffffff813a4050 [ 50.177955] RDX: ffff888018783780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.179331] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6df2f [ 50.180752] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.182135] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b6fdf8 [ 50.183517] FS: 00007f8f544e7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.185091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.186245] CR2: 00007fffdb18eef7 CR3: 000000001f52c000 CR4: 0000000000350ef0 [ 50.187633] Call Trace: [ 50.188199] [ 50.188693] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.189615] ? __create_object+0x59/0x80 [ 50.190459] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.191493] __vmalloc_noprof+0x59/0x60 [ 50.192325] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.193268] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.194267] bpf_prog_alloc+0x39/0x200 [ 50.195061] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.196072] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.197057] do_seccomp+0x349/0x25e0 [ 50.197829] ? find_held_lock+0x2b/0x80 [ 50.198598] ? do_prlimit+0x310/0x610 [ 50.199397] ? __pfx_do_seccomp+0x10/0x10 [ 50.200270] ? do_raw_spin_unlock+0x53/0x220 [ 50.201174] ? _raw_spin_unlock+0x1e/0x40 [ 50.202035] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.203071] ? static_key_count+0x60/0x80 [ 50.203941] prctl_set_seccomp+0x4e/0x70 [ 50.204765] __do_sys_prctl+0xe6c/0x1d70 [ 50.205545] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.206456] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.207491] ? irqentry_exit+0xf3/0x650 [ 50.208328] do_syscall_64+0xbf/0x430 [ 50.209101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.210109] RIP: 0033:0x7f8f549d95cd [ 50.210852] 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 [ 50.214231] RSP: 002b:00007fffdb18c6a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.215707] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f549d95cd [ 50.217062] RDX: 000055aae266ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.218427] RBP: 00007fffdb18c700 R08: 0000000000000000 R09: 00007fffdb18bda0 [ 50.219793] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aaff524240 [ 50.221139] R13: 00007fffdb18cb30 R14: 000055aaff523bf0 R15: 000055aaff5384d0 [ 50.222508] [ 50.223008] irq event stamp: 1795 [ 50.223707] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 50.225329] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 50.226937] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 50.228551] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 50.229854] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61890' (ECDSA) to the list of known hosts. 2025/11/18 17:41:07 fuzzer started 2025/11/18 17:41:07 dialing manager at localhost:34383 2025/11/18 17:41:07 checking machine... 2025/11/18 17:41:07 checking revisions... [ 51.148060] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:41:08 testing simple program... [ 51.237878] cgroup: Unknown subsys name 'net' [ 51.305034] cgroup: Unknown subsys name 'cpuset' [ 51.320266] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:41:07 Registers: info registers vcpu 0 RAX=0000000000044469 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fab2dc7f650 CR3=000000000a112000 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=4319b808900daaa7094922b59b93a1c2 XMM02=00000000003025f8eff9b2d0a8fce9cb XMM03=00000000003026c82c67c8bc2e329bc3 XMM04=2534235a27880fe400000000000ae988 XMM05=d7705ba0f936fcc400000000003215c0 XMM06=5b75c91c804453420000000000320040 XMM07=fb795ef6d65770560000000000310168 XMM08=2c67c8bc2e329bc30000000000302668 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88800e17f240 RCX=ffff88800e17f0cc RDX=0000000000000000 RSI=ffffffff81b2a6d9 RDI=ffff88800e17f24c RBP=0000000000000002 RSP=ffff88800e17f158 R8 =ffffffff86ab8488 R9 =ffff88800e17f1b8 R10=000000000003c9ed R11=00000000000255cb R12=ffff88800e17f240 R13=0000000000000000 R14=ffff88800b063780 R15=0000000000092cc0 RIP=ffffffff816191ae RFL=00000213 [----A-C] 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 00007fab2d6ca900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fab2dc81618 CR3=000000000a112000 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