syzkaller login: [ 38.930365] ------------[ cut here ]------------ [ 38.931132] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.932769] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.933963] Modules linked in: [ 38.934458] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.936155] Tainted: [W]=WARN [ 38.936617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.937823] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.938562] 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 [ 38.941160] RSP: 0018:ffff888014bffbc0 EFLAGS: 00010286 [ 38.941957] RAX: 0000000000000000 RBX: ffffed100297ff78 RCX: ffffffff813a4050 [ 38.943014] RDX: ffff888018b51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.944060] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100297ff2f [ 38.945136] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.946206] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014bffdf8 [ 38.947288] FS: 00007fb4bfcaa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.948474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.949351] CR2: 00007ffc941bcef7 CR3: 000000000e7da000 CR4: 0000000000350ef0 [ 38.950427] Call Trace: [ 38.950847] [ 38.951186] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.951916] ? __create_object+0x59/0x80 [ 38.952520] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.953308] __vmalloc_noprof+0x59/0x60 [ 38.953925] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.954621] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.955389] bpf_prog_alloc+0x39/0x200 [ 38.955992] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.956749] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.957453] do_seccomp+0x349/0x25e0 [ 38.958040] ? find_held_lock+0x2b/0x80 [ 38.958645] ? do_prlimit+0x310/0x610 [ 38.959256] ? __pfx_do_seccomp+0x10/0x10 [ 38.959911] ? do_raw_spin_unlock+0x53/0x220 [ 38.960566] ? _raw_spin_unlock+0x1e/0x40 [ 38.961200] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.961995] ? static_key_count+0x60/0x80 [ 38.962632] prctl_set_seccomp+0x4e/0x70 [ 38.963275] __do_sys_prctl+0xe6c/0x1d70 [ 38.963916] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.964595] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.965384] ? irqentry_exit+0xf3/0x650 [ 38.966011] do_syscall_64+0xbf/0x430 [ 38.966593] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.967367] RIP: 0033:0x7fb4c019c5cd [ 38.967942] 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 [ 38.970568] RSP: 002b:00007ffc941ba790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.971699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4c019c5cd [ 38.972752] RDX: 0000555eaa6b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.973803] RBP: 00007ffc941ba7f0 R08: 0000000000000000 R09: 00007ffc941b9e90 [ 38.974873] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ec991d2b0 [ 38.975926] R13: 00007ffc941bac20 R14: 0000555ec991fd20 R15: 0000555ec99318d0 [ 38.976992] [ 38.977342] irq event stamp: 1931 [ 38.977876] hardirqs last enabled at (1941): [] __up_console_sem+0x78/0x80 [ 38.979136] hardirqs last disabled at (1950): [] __up_console_sem+0x5d/0x80 [ 38.980394] softirqs last enabled at (1460): [] handle_softirqs+0x50c/0x770 [ 38.981679] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 38.982968] ---[ end trace 0000000000000000 ]--- [ 42.173024] ------------[ cut here ]------------ [ 42.173970] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.175967] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.177435] Modules linked in: [ 42.178080] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.180072] Tainted: [W]=WARN [ 42.180628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.182085] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.183006] 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 [ 42.186146] RSP: 0018:ffff888016487bc0 EFLAGS: 00010286 [ 42.187151] RAX: 0000000000000000 RBX: ffffed1002c90f78 RCX: ffffffff813a4050 [ 42.188422] RDX: ffff888017060000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.189702] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c90f2f [ 42.190993] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.192293] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016487df8 [ 42.193573] FS: 00007f3197c65900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.195023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.196090] CR2: 00007f3198157580 CR3: 000000000da94000 CR4: 0000000000350ef0 [ 42.197361] Call Trace: [ 42.197855] [ 42.198262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.199150] ? __create_object+0x59/0x80 [ 42.199935] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.200907] __vmalloc_noprof+0x59/0x60 [ 42.201615] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.202486] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.203416] bpf_prog_alloc+0x39/0x200 [ 42.204161] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.205092] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.205997] do_seccomp+0x349/0x25e0 [ 42.206734] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.207607] ? __pfx_do_seccomp+0x10/0x10 [ 42.208416] ? find_held_lock+0x2b/0x80 [ 42.209167] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.210147] ? static_key_count+0x60/0x80 [ 42.210965] prctl_set_seccomp+0x4e/0x70 [ 42.211747] __do_sys_prctl+0xe6c/0x1d70 [ 42.212499] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.213346] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.214292] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.215266] ? irqentry_exit+0xf3/0x650 [ 42.216052] do_syscall_64+0xbf/0x430 [ 42.216791] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.217749] RIP: 0033:0x7f31981575cd [ 42.218415] 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 [ 42.221554] RSP: 002b:00007ffce293a990 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.222920] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f31981575cd [ 42.224188] RDX: 000055c93d77ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.225462] RBP: 00007ffce293a9f0 R08: 0000000000000000 R09: 00007ffce293a090 [ 42.226749] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c978b9cad0 [ 42.228024] R13: 00007ffce293ae20 R14: 000055c978b9dbc0 R15: 000055c978bae780 [ 42.229317] [ 42.229787] irq event stamp: 1743 [ 42.230397] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 42.231932] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 42.233463] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 42.235001] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 42.236113] ---[ end trace 0000000000000000 ]--- [ 43.057154] ------------[ cut here ]------------ [ 43.058120] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.060118] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.061561] Modules linked in: [ 43.062198] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.064223] Tainted: [W]=WARN [ 43.064824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.066299] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.067250] 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 [ 43.070420] RSP: 0018:ffff888019b1fbc0 EFLAGS: 00010286 [ 43.071411] RAX: 0000000000000000 RBX: ffffed1003363f78 RCX: ffffffff813a4050 [ 43.072693] RDX: ffff888015ff9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.074002] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003363f2f [ 43.075324] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.076606] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b1fdf8 [ 43.077894] FS: 00007f7d98718900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.079362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.080437] CR2: 00007ffc02cdcef7 CR3: 000000000dc3c000 CR4: 0000000000350ef0 [ 43.081707] Call Trace: [ 43.082184] [ 43.082618] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.083540] ? __create_object+0x59/0x80 [ 43.084329] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.085304] __vmalloc_noprof+0x59/0x60 [ 43.086070] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.086970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.087897] bpf_prog_alloc+0x39/0x200 [ 43.088588] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.089504] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.090400] do_seccomp+0x349/0x25e0 [ 43.091134] ? find_held_lock+0x2b/0x80 [ 43.091900] ? do_prlimit+0x310/0x610 [ 43.092611] ? __pfx_do_seccomp+0x10/0x10 [ 43.093417] ? do_raw_spin_unlock+0x53/0x220 [ 43.094254] ? _raw_spin_unlock+0x1e/0x40 [ 43.095065] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.096036] ? static_key_count+0x60/0x80 [ 43.096855] prctl_set_seccomp+0x4e/0x70 [ 43.097588] __do_sys_prctl+0xe6c/0x1d70 [ 43.098374] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.099257] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.100233] ? irqentry_exit+0xf3/0x650 [ 43.100992] do_syscall_64+0xbf/0x430 [ 43.101745] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.102719] RIP: 0033:0x7f7d98c0a5cd [ 43.103398] 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 [ 43.106572] RSP: 002b:00007ffc02cda9c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.107938] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d98c0a5cd [ 43.109204] RDX: 00005557588f9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.110479] RBP: 00007ffc02cdaa20 R08: 0000000000000000 R09: 00007ffc02cda0c0 [ 43.111795] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557960e12b0 [ 43.113084] R13: 00007ffc02cdae50 R14: 00005557960e3d20 R15: 00005557960f58d0 [ 43.114389] [ 43.114871] irq event stamp: 1793 [ 43.115492] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 43.117013] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 43.118531] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 43.119905] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 43.121152] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57666' (ECDSA) to the list of known hosts. 2025/11/19 04:56:43 fuzzer started 2025/11/19 04:56:44 dialing manager at localhost:34383 2025/11/19 04:56:44 checking machine... 2025/11/19 04:56:44 checking revisions... [ 44.002916] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:56:44 testing simple program... [ 44.093853] cgroup: Unknown subsys name 'net' [ 44.142222] cgroup: Unknown subsys name 'cpuset' [ 44.164617] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:56:43 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff888009611bc0 RCX=0000000000000001 RDX=0000000000022005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888009612618 RSP=ffff888009627698 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc RFL=00000006 [-----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 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=00007faeaaa35260 CR3=000000000b7a6000 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=222bc69ff66edc855f463da46e82491d XMM02=00000000003023a0eff9b2d0a8fce9cb XMM03=00000000003024702c67c8bc2e329bc3 XMM04=1b0cacc3ca7df36000000000000ae988 XMM05=a95c73f5475c9a2f000000000031f860 XMM06=090f1556b20111b3000000000031e750 XMM07=fb795ef6d6577056000000000030deb0 XMM08=2c67c8bc2e329bc30000000000302410 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffffffff85e78600 RCX=ffffffff8175a62f RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff888016c1f8e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007f8500f69b84 R13=0000000000000000 R14=ffff888015ff8000 R15=0000000000000cc0 RIP=ffffffff817518c4 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 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=00007f850044c260 CR3=000000001d828000 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=756e696c2d34365f3638782f62696c2f XMM01=6c69747579656b62696c2f756e672d78 XMM02=00312e6f732e736c69747579656b6269 XMM03=6c2f756e672d78756e696c2d34365f36 XMM04=00000000000000000000000000000000 XMM05=00007f8500988f6000007f850076bf30 XMM06=00007f850076ba2000007f850076b510 XMM07=00007f850076b00000007f8500989a20 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000