syzkaller login: [ 39.089136] ------------[ cut here ]------------ [ 39.090044] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.092083] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.093637] Modules linked in: [ 39.094288] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.096359] Tainted: [W]=WARN [ 39.096930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.098391] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.099308] 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 [ 39.102559] RSP: 0018:ffff888017ac7bc0 EFLAGS: 00010286 [ 39.103527] RAX: 0000000000000000 RBX: ffffed1002f58f78 RCX: ffffffff813a4050 [ 39.104822] RDX: ffff888019fd0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.106092] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f58f2f [ 39.107346] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.108623] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ac7df8 [ 39.109990] FS: 00007f5eca294900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.111387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.112442] CR2: 00007f5eca786580 CR3: 000000000b6b9000 CR4: 0000000000350ef0 [ 39.113705] Call Trace: [ 39.114153] [ 39.114596] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.115477] ? __create_object+0x59/0x80 [ 39.116185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.117291] __vmalloc_noprof+0x59/0x60 [ 39.118101] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.119105] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.120191] bpf_prog_alloc+0x39/0x200 [ 39.121034] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.122106] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.123140] do_seccomp+0x349/0x25e0 [ 39.123966] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.124977] ? __pfx_do_seccomp+0x10/0x10 [ 39.125786] ? find_held_lock+0x2b/0x80 [ 39.126547] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.127683] ? static_key_count+0x60/0x80 [ 39.128611] prctl_set_seccomp+0x4e/0x70 [ 39.129474] __do_sys_prctl+0xe6c/0x1d70 [ 39.130208] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.131061] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.131995] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.133070] ? irqentry_exit+0xf3/0x650 [ 39.133949] do_syscall_64+0xbf/0x430 [ 39.134703] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.135633] RIP: 0033:0x7f5eca7865cd [ 39.136323] 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 [ 39.139398] RSP: 002b:00007ffdaaed0350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.140861] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eca7865cd [ 39.141933] RDX: 000055d8e39f3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.143004] RBP: 00007ffdaaed03b0 R08: 0000000000000000 R09: 00007ffdaaecfa50 [ 39.144059] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d8fd1eb240 [ 39.145144] R13: 00007ffdaaed07e0 R14: 000055d8fd1eabf0 R15: 000055d8fd1ff4d0 [ 39.146215] [ 39.146592] irq event stamp: 1767 [ 39.147094] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 39.148350] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 39.149622] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 39.150895] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 39.152139] ---[ end trace 0000000000000000 ]--- [ 42.566892] ------------[ cut here ]------------ [ 42.567848] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.569966] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.571428] Modules linked in: [ 42.572035] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.574047] Tainted: [W]=WARN [ 42.574870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.576450] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.577410] 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 [ 42.580579] RSP: 0018:ffff888017b6fbc0 EFLAGS: 00010286 [ 42.581560] RAX: 0000000000000000 RBX: ffffed1002f6df78 RCX: ffffffff813a4050 [ 42.582851] RDX: ffff888015820000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.584123] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f6df2f [ 42.585449] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.586801] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b6fdf8 [ 42.588109] FS: 00007f196ceaa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.589583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.590667] CR2: 00007ffde8e34ef7 CR3: 000000000d273000 CR4: 0000000000350ef0 [ 42.591957] Call Trace: [ 42.592488] [ 42.592916] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.593828] ? __create_object+0x59/0x80 [ 42.594676] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.595688] __vmalloc_noprof+0x59/0x60 [ 42.596479] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.597358] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.598304] bpf_prog_alloc+0x39/0x200 [ 42.599023] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.599967] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.600895] do_seccomp+0x349/0x25e0 [ 42.601640] ? find_held_lock+0x2b/0x80 [ 42.602409] ? do_prlimit+0x310/0x610 [ 42.603109] ? __pfx_do_seccomp+0x10/0x10 [ 42.603919] ? do_raw_spin_unlock+0x53/0x220 [ 42.604769] ? _raw_spin_unlock+0x1e/0x40 [ 42.605549] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.606512] ? static_key_count+0x60/0x80 [ 42.607331] prctl_set_seccomp+0x4e/0x70 [ 42.608080] __do_sys_prctl+0xe6c/0x1d70 [ 42.608881] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.609825] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.610844] ? irqentry_exit+0xf3/0x650 [ 42.611619] do_syscall_64+0xbf/0x430 [ 42.612371] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.613359] RIP: 0033:0x7f196d39c5cd [ 42.614025] 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 [ 42.617198] RSP: 002b:00007ffde8e334d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.618603] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f196d39c5cd [ 42.619912] RDX: 000055c682632e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.621206] RBP: 00007ffde8e33530 R08: 0000000000000000 R09: 00007ffde8e32bd0 [ 42.622598] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c69380fb10 [ 42.623895] R13: 00007ffde8e33960 R14: 000055c6938102b0 R15: 000055c6938246f0 [ 42.625269] [ 42.625698] irq event stamp: 2005 [ 42.626353] hardirqs last enabled at (2015): [] __up_console_sem+0x78/0x80 [ 42.627872] hardirqs last disabled at (2024): [] __up_console_sem+0x5d/0x80 [ 42.629425] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 42.630968] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 42.632498] ---[ end trace 0000000000000000 ]--- [ 43.480083] ------------[ cut here ]------------ [ 43.480882] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.482564] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.483777] Modules linked in: [ 43.484294] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.485982] Tainted: [W]=WARN [ 43.486486] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.487738] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.488524] 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 [ 43.491207] RSP: 0018:ffff888016dc7bc0 EFLAGS: 00010286 [ 43.492052] RAX: 0000000000000000 RBX: ffffed1002db8f78 RCX: ffffffff813a4050 [ 43.493137] RDX: ffff888016309bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.494239] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db8f2f [ 43.495330] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.496418] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dc7df8 [ 43.497502] FS: 00007fd696eaa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.498712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.499603] CR2: 00007ffe144b2ef7 CR3: 000000001767b000 CR4: 0000000000350ef0 [ 43.500682] Call Trace: [ 43.501068] [ 43.501452] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.502176] ? __create_object+0x59/0x80 [ 43.502831] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.503636] __vmalloc_noprof+0x59/0x60 [ 43.504267] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.504975] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.505754] bpf_prog_alloc+0x39/0x200 [ 43.506362] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.507097] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.507850] do_seccomp+0x349/0x25e0 [ 43.508451] ? find_held_lock+0x2b/0x80 [ 43.509049] ? do_prlimit+0x310/0x610 [ 43.509666] ? __pfx_do_seccomp+0x10/0x10 [ 43.510338] ? do_raw_spin_unlock+0x53/0x220 [ 43.511013] ? _raw_spin_unlock+0x1e/0x40 [ 43.511664] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.512486] ? static_key_count+0x60/0x80 [ 43.513118] prctl_set_seccomp+0x4e/0x70 [ 43.513764] __do_sys_prctl+0xe6c/0x1d70 [ 43.514422] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.515096] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.515911] ? irqentry_exit+0xf3/0x650 [ 43.516584] do_syscall_64+0xbf/0x430 [ 43.517171] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.517967] RIP: 0033:0x7fd69739c5cd [ 43.518544] 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 [ 43.521244] RSP: 002b:00007ffe144b1bd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.522394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd69739c5cd [ 43.523469] RDX: 00005607ef309e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.524548] RBP: 00007ffe144b1c30 R08: 0000000000000000 R09: 00007ffe144b12d0 [ 43.525621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560805a752b0 [ 43.526683] R13: 00007ffe144b2060 R14: 0000560805a77d20 R15: 0000560805a898d0 [ 43.527770] [ 43.528120] irq event stamp: 1713 [ 43.528674] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 43.529948] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 43.531243] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 43.532551] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 43.533832] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14779' (ECDSA) to the list of known hosts. 2025/11/17 16:50:57 fuzzer started 2025/11/17 16:50:58 dialing manager at localhost:37895 2025/11/17 16:50:58 checking machine... 2025/11/17 16:50:58 checking revisions... [ 44.431941] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:50:58 testing simple program... [ 44.518359] cgroup: Unknown subsys name 'net' [ 44.573691] cgroup: Unknown subsys name 'cpuset' [ 44.592849] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:50:57 Registers: info registers vcpu 0 RAX=1ffffffff0ce4b73 RBX=ffffffff86725b98 RCX=ffffffff81b2a3f2 RDX=0000000000000000 RSI=ffffffff86ab8348 RDI=ffffffff86725b64 RBP=ffffffff86725b94 RSP=ffff888009627788 R8 =ffffffff86ab8348 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255ec R12=ffffffff86725ba0 R13=ffffffff86725b64 R14=ffffffff86725b90 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000212 [----A--] 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f28d225af88 CR3=000000000e4f3000 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=30353a363120373120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732037353a3035 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303434 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888015453780 RCX=ffff88800f237a64 RDX=0000000000000000 RSI=ffffffff81b61825 RDI=ffff888015453b7c RBP=ffff88800f237b68 RSP=ffff88800f237a88 R8 =ffffffff86a49c3a R9 =ffff88800f237b50 R10=000000000003c9ed R11=0000000000012f69 R12=0000000000000000 R13=ffff88800f237b58 R14=ffff888015453780 R15=ffff88800f237b10 RIP=ffffffff815bd59a RFL=00000217 [----APC] 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 00007f196ceaa900 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=00007ffde8e2d000 CR3=000000000a0f9000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000