syzkaller login: [ 46.143588] ------------[ cut here ]------------ [ 46.144551] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.146652] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.148108] Modules linked in: [ 46.148731] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.150756] Tainted: [W]=WARN [ 46.151318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.152771] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.153690] 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 [ 46.156891] RSP: 0018:ffff888016027bc0 EFLAGS: 00010286 [ 46.157875] RAX: 0000000000000000 RBX: ffffed1002c04f78 RCX: ffffffff813a4050 [ 46.159181] RDX: ffff888015deb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.160495] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c04f2f [ 46.161798] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.163106] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016027df8 [ 46.164403] FS: 00007f3b8c488900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.165841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.166924] CR2: 00007ffef3a00ef7 CR3: 000000000d9f4000 CR4: 0000000000350ef0 [ 46.168236] Call Trace: [ 46.168735] [ 46.169154] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.170061] ? __create_object+0x59/0x80 [ 46.170858] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.171831] __vmalloc_noprof+0x59/0x60 [ 46.172552] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.173432] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.174362] bpf_prog_alloc+0x39/0x200 [ 46.175105] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.176035] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.176944] do_seccomp+0x349/0x25e0 [ 46.177619] ? find_held_lock+0x2b/0x80 [ 46.178407] ? do_prlimit+0x310/0x610 [ 46.179167] ? __pfx_do_seccomp+0x10/0x10 [ 46.179949] ? do_raw_spin_unlock+0x53/0x220 [ 46.180794] ? _raw_spin_unlock+0x1e/0x40 [ 46.181522] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.182488] ? static_key_count+0x60/0x80 [ 46.183303] prctl_set_seccomp+0x4e/0x70 [ 46.184093] __do_sys_prctl+0xe6c/0x1d70 [ 46.184870] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.185744] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.186716] ? irqentry_exit+0xf3/0x650 [ 46.187425] do_syscall_64+0xbf/0x430 [ 46.188172] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.189121] RIP: 0033:0x7f3b8c97a5cd [ 46.189851] 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 [ 46.193004] RSP: 002b:00007ffef39fe860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.194388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b8c97a5cd [ 46.195683] RDX: 0000564cec829e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.196974] RBP: 00007ffef39fe8c0 R08: 0000000000000000 R09: 00007ffef39fdf60 [ 46.198259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564cf731bbf0 [ 46.199557] R13: 00007ffef39fecf0 R14: 0000564cf7325380 R15: 0000564cf7330460 [ 46.200873] [ 46.201309] irq event stamp: 1709 [ 46.201960] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 46.203500] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 46.205012] softirqs last enabled at (1612): [] handle_softirqs+0x50c/0x770 [ 46.206572] softirqs last disabled at (1607): [] __irq_exit_rcu+0xc4/0x100 [ 46.208140] ---[ end trace 0000000000000000 ]--- [ 49.570478] ------------[ cut here ]------------ [ 49.571520] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.573845] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.575527] Modules linked in: [ 49.576248] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.578793] Tainted: [W]=WARN [ 49.579443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.581221] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.582302] 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 [ 49.585964] RSP: 0018:ffff88801af17bc0 EFLAGS: 00010286 [ 49.587093] RAX: 0000000000000000 RBX: ffffed10035e2f78 RCX: ffffffff813a4050 [ 49.588572] RDX: ffff8880164f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.590059] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035e2f2f [ 49.591534] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.593011] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af17df8 [ 49.594487] FS: 00007fe39de97900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.596132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.597361] CR2: 00007ffc15c95ef7 CR3: 000000000d4a0000 CR4: 0000000000350ef0 [ 49.598904] Call Trace: [ 49.599447] [ 49.599968] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.600999] ? __create_object+0x59/0x80 [ 49.601918] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.603053] __vmalloc_noprof+0x59/0x60 [ 49.603924] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.604938] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.606083] bpf_prog_alloc+0x39/0x200 [ 49.606826] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.607745] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.608594] do_seccomp+0x349/0x25e0 [ 49.609304] ? find_held_lock+0x2b/0x80 [ 49.610070] ? do_prlimit+0x310/0x610 [ 49.610793] ? __pfx_do_seccomp+0x10/0x10 [ 49.611524] ? do_raw_spin_unlock+0x53/0x220 [ 49.612331] ? _raw_spin_unlock+0x1e/0x40 [ 49.613100] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.614056] ? static_key_count+0x60/0x80 [ 49.614850] prctl_set_seccomp+0x4e/0x70 [ 49.615563] __do_sys_prctl+0xe6c/0x1d70 [ 49.616328] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.617171] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.618135] ? irqentry_exit+0xf3/0x650 [ 49.618888] do_syscall_64+0xbf/0x430 [ 49.619576] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.620510] RIP: 0033:0x7fe39e3895cd [ 49.621205] 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 [ 49.624337] RSP: 002b:00007ffc15c94a20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.625675] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe39e3895cd [ 49.626935] RDX: 000055f3d2138e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.628201] RBP: 00007ffc15c94a80 R08: 0000000000000000 R09: 00007ffc15c94120 [ 49.629454] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f3f0da8ad0 [ 49.630722] R13: 00007ffc15c94eb0 R14: 000055f3f0da9bc0 R15: 000055f3f0dba780 [ 49.631998] [ 49.632420] irq event stamp: 1829 [ 49.633066] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 49.634576] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 49.635821] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 49.637055] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 49.638280] ---[ end trace 0000000000000000 ]--- [ 50.443178] ------------[ cut here ]------------ [ 50.444125] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.446200] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.447690] Modules linked in: [ 50.448295] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.450530] Tainted: [W]=WARN [ 50.451196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.452702] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.453584] 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 [ 50.456774] RSP: 0018:ffff8880171ffbc0 EFLAGS: 00010286 [ 50.457756] RAX: 0000000000000000 RBX: ffffed1002e3ff78 RCX: ffffffff813a4050 [ 50.459077] RDX: ffff888015931bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.460379] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e3ff2f [ 50.461692] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.463015] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171ffdf8 [ 50.464323] FS: 00007f9de91e6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.465778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.466869] CR2: 00007f9de96d8580 CR3: 000000000cafe000 CR4: 0000000000350ef0 [ 50.468173] Call Trace: [ 50.468682] [ 50.469096] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.470013] ? __create_object+0x59/0x80 [ 50.470793] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.471773] __vmalloc_noprof+0x59/0x60 [ 50.472503] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.473383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.474314] bpf_prog_alloc+0x39/0x200 [ 50.475062] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.476005] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.476926] do_seccomp+0x349/0x25e0 [ 50.477609] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.478551] ? __pfx_do_seccomp+0x10/0x10 [ 50.479359] ? find_held_lock+0x2b/0x80 [ 50.480129] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.481101] ? static_key_count+0x60/0x80 [ 50.481923] prctl_set_seccomp+0x4e/0x70 [ 50.482701] __do_sys_prctl+0xe6c/0x1d70 [ 50.483445] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.484307] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.485290] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.486294] ? irqentry_exit+0xf3/0x650 [ 50.487071] do_syscall_64+0xbf/0x430 [ 50.487835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.488801] RIP: 0033:0x7f9de96d85cd [ 50.489479] 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 [ 50.492679] RSP: 002b:00007fffd54d51c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.494068] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9de96d85cd [ 50.495363] RDX: 0000560cb7a4fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.496657] RBP: 00007fffd54d5220 R08: 0000000000000000 R09: 00007fffd54d48c0 [ 50.497970] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ce5fa7ad0 [ 50.499285] R13: 00007fffd54d5650 R14: 0000560ce5fa8bc0 R15: 0000560ce5fb9780 [ 50.500602] [ 50.501074] irq event stamp: 1839 [ 50.501726] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 50.503297] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 50.504845] softirqs last enabled at (1386): [] handle_softirqs+0x50c/0x770 [ 50.506416] softirqs last disabled at (1381): [] __irq_exit_rcu+0xc4/0x100 [ 50.507684] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:27972' (ECDSA) to the list of known hosts. 2025/11/17 13:56:05 fuzzer started 2025/11/17 13:56:05 dialing manager at localhost:37895 2025/11/17 13:56:05 checking machine... 2025/11/17 13:56:05 checking revisions... [ 51.410078] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:56:05 testing simple program... [ 51.497243] cgroup: Unknown subsys name 'net' [ 51.558020] cgroup: Unknown subsys name 'cpuset' [ 51.570670] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:56:04 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff86725b9c RCX=ffffffff81b2a3f2 RDX=0000000000000001 RSI=ffffffff86ab8348 RDI=ffffffff86725b64 RBP=ffffffff86725b9c RSP=ffff88801ce57358 R8 =ffffffff86ab8348 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255ec R12=ffffffff86725ba0 R13=ffffffff86725b64 R14=ffffffff86725b98 R15=dffffc0000000000 RIP=ffffffff8135daa3 RFL=00000257 [---ZAPC] 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 00007fe39de97900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe39de76020 CR3=0000000020209000 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=00000000000255f3 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc2edc5e000 CR3=000000000e00f000 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=2f3dc6e44bcf0ba1a5435eefd40f6e95 XMM02=0000000000302f20eff9b2d0a8fce9cb XMM03=0000000000302ff02c67c8bc2e329bc3 XMM04=c216c49bbacfd06000000000000ae988 XMM05=d96330e2d2db8632000000000031ef30 XMM06=474038aa6c007e1f000000000031edb8 XMM07=e042d86d42eb936e000000000030fe78 XMM08=1f661270e7d27d300000000000302ff0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000