syzkaller login: [ 39.091346] ------------[ cut here ]------------ [ 39.092256] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.094279] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.095948] Modules linked in: [ 39.096539] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.098589] Tainted: [W]=WARN [ 39.099179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.100637] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.101508] 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 [ 39.104681] RSP: 0018:ffff88801695fbc0 EFLAGS: 00010286 [ 39.105649] RAX: 0000000000000000 RBX: ffffed1002d2bf78 RCX: ffffffff813a4050 [ 39.106946] RDX: ffff888017921bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.108236] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2bf2f [ 39.109510] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.110814] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801695fdf8 [ 39.112105] FS: 00007f40f0c9f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.113559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.114636] CR2: 00007ffef661eef7 CR3: 000000000b6e7000 CR4: 0000000000350ef0 [ 39.115938] Call Trace: [ 39.116412] [ 39.116868] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.117769] ? __create_object+0x59/0x80 [ 39.118530] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.119496] __vmalloc_noprof+0x59/0x60 [ 39.120234] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.121112] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.122052] bpf_prog_alloc+0x39/0x200 [ 39.122784] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.123716] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.124584] do_seccomp+0x349/0x25e0 [ 39.125314] ? find_held_lock+0x2b/0x80 [ 39.126091] ? do_prlimit+0x310/0x610 [ 39.126827] ? __pfx_do_seccomp+0x10/0x10 [ 39.127581] ? do_raw_spin_unlock+0x53/0x220 [ 39.128418] ? _raw_spin_unlock+0x1e/0x40 [ 39.129198] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.130163] ? static_key_count+0x60/0x80 [ 39.130966] prctl_set_seccomp+0x4e/0x70 [ 39.131739] __do_sys_prctl+0xe6c/0x1d70 [ 39.132471] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.133312] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.134292] ? irqentry_exit+0xf3/0x650 [ 39.135054] do_syscall_64+0xbf/0x430 [ 39.135798] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.136751] RIP: 0033:0x7f40f11915cd [ 39.137411] 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 [ 39.140625] RSP: 002b:00007ffef661c320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.141980] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40f11915cd [ 39.143248] RDX: 0000563ec3fdee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.144526] RBP: 00007ffef661c380 R08: 0000000000000000 R09: 00007ffef661ba20 [ 39.145792] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563ee6778ad0 [ 39.147066] R13: 00007ffef661c7b0 R14: 0000563ee6779bc0 R15: 0000563ee678a780 [ 39.148351] [ 39.148794] irq event stamp: 1829 [ 39.149402] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 39.150913] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 39.152406] softirqs last enabled at (1850): [] handle_softirqs+0x50c/0x770 [ 39.153932] softirqs last disabled at (1845): [] __irq_exit_rcu+0xc4/0x100 [ 39.155458] ---[ end trace 0000000000000000 ]--- [ 42.349352] ------------[ cut here ]------------ [ 42.350282] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.352255] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.353677] Modules linked in: [ 42.354268] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.356213] Tainted: [W]=WARN [ 42.356812] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.358262] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.359159] 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 [ 42.362320] RSP: 0018:ffff888016d97bc0 EFLAGS: 00010286 [ 42.363283] RAX: 0000000000000000 RBX: ffffed1002db2f78 RCX: ffffffff813a4050 [ 42.364543] RDX: ffff888018c11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.365811] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db2f2f [ 42.367100] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.368374] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d97df8 [ 42.369643] FS: 00007f7c34ad6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.371074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.372132] CR2: 00007f7c34fc8580 CR3: 00000000203ef000 CR4: 0000000000350ef0 [ 42.373413] Call Trace: [ 42.373924] [ 42.374341] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.375233] ? __create_object+0x59/0x80 [ 42.376001] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.376961] __vmalloc_noprof+0x59/0x60 [ 42.377705] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.378551] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.379495] bpf_prog_alloc+0x39/0x200 [ 42.380229] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.381162] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.382066] do_seccomp+0x349/0x25e0 [ 42.382792] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.383700] ? __pfx_do_seccomp+0x10/0x10 [ 42.384451] ? find_held_lock+0x2b/0x80 [ 42.385213] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.386192] ? static_key_count+0x60/0x80 [ 42.386995] prctl_set_seccomp+0x4e/0x70 [ 42.387771] __do_sys_prctl+0xe6c/0x1d70 [ 42.388499] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.389346] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.390336] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.391304] ? irqentry_exit+0xf3/0x650 [ 42.392062] do_syscall_64+0xbf/0x430 [ 42.392787] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.393753] RIP: 0033:0x7f7c34fc85cd [ 42.394432] 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 [ 42.397628] RSP: 002b:00007ffe7dda38d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.399014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7c34fc85cd [ 42.400304] RDX: 000055e862722e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.401580] RBP: 00007ffe7dda3930 R08: 0000000000000000 R09: 00007ffe7dda2fd0 [ 42.402899] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e892af7ad0 [ 42.404180] R13: 00007ffe7dda3d60 R14: 000055e892af8bc0 R15: 000055e892b09780 [ 42.405493] [ 42.405963] irq event stamp: 1681 [ 42.406599] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 42.408157] hardirqs last disabled at (1700): [] __up_console_sem+0x5d/0x80 [ 42.409665] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 42.411066] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 42.412259] ---[ end trace 0000000000000000 ]--- [ 43.194407] ------------[ cut here ]------------ [ 43.195443] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.197489] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.198957] Modules linked in: [ 43.199543] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.201758] Tainted: [W]=WARN [ 43.202327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.203865] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.204790] 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 [ 43.207971] RSP: 0018:ffff888018ecfbc0 EFLAGS: 00010286 [ 43.208936] RAX: 0000000000000000 RBX: ffffed10031d9f78 RCX: ffffffff813a4050 [ 43.210208] RDX: ffff888016665340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.211470] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031d9f2f [ 43.212746] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.214024] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018ecfdf8 [ 43.215317] FS: 00007fd3ff3c8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.216753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.217802] CR2: 00007ffd06b0bef7 CR3: 000000000c1a0000 CR4: 0000000000350ef0 [ 43.219089] Call Trace: [ 43.219546] [ 43.219992] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.220874] ? __create_object+0x59/0x80 [ 43.221658] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.222599] __vmalloc_noprof+0x59/0x60 [ 43.223354] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.224245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.225157] bpf_prog_alloc+0x39/0x200 [ 43.225889] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.226823] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.227716] do_seccomp+0x349/0x25e0 [ 43.228431] ? find_held_lock+0x2b/0x80 [ 43.229166] ? do_prlimit+0x310/0x610 [ 43.229901] ? __pfx_do_seccomp+0x10/0x10 [ 43.230669] ? do_raw_spin_unlock+0x53/0x220 [ 43.231474] ? _raw_spin_unlock+0x1e/0x40 [ 43.232239] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.233179] ? static_key_count+0x60/0x80 [ 43.233958] prctl_set_seccomp+0x4e/0x70 [ 43.234717] __do_sys_prctl+0xe6c/0x1d70 [ 43.235449] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.236288] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.237286] ? irqentry_exit+0xf3/0x650 [ 43.238033] do_syscall_64+0xbf/0x430 [ 43.238767] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.239705] RIP: 0033:0x7fd3ff8ba5cd [ 43.240362] 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 [ 43.243512] RSP: 002b:00007ffd06b09610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.244840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd3ff8ba5cd [ 43.246095] RDX: 0000561d1d2b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.247401] RBP: 00007ffd06b09670 R08: 0000000000000000 R09: 00007ffd06b08d10 [ 43.248676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561d5053c240 [ 43.249938] R13: 00007ffd06b09aa0 R14: 0000561d5053bbf0 R15: 0000561d505504d0 [ 43.251249] [ 43.251715] irq event stamp: 1865 [ 43.252313] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 43.253794] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 43.255318] softirqs last enabled at (1802): [] handle_softirqs+0x50c/0x770 [ 43.256854] softirqs last disabled at (1797): [] __irq_exit_rcu+0xc4/0x100 [ 43.258354] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48910' (ECDSA) to the list of known hosts. 2025/11/19 01:43:04 fuzzer started 2025/11/19 01:43:04 dialing manager at localhost:34383 2025/11/19 01:43:04 checking machine... 2025/11/19 01:43:04 checking revisions... [ 44.211300] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:43:04 testing simple program... [ 44.303875] cgroup: Unknown subsys name 'net' [ 44.379217] cgroup: Unknown subsys name 'cpuset' [ 44.396039] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:43:03 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888016913780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880169141d8 RDI=ffff888016913780 RBP=ffff8880169141d8 RSP=ffff8880164875f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880169141d8 R13=0000000000000000 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff815273eb RFL=00000047 [---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 00007fdac3ac3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdac31d9010 CR3=000000000dba4000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=529ed014edaad14500000000000ae988 XMM05=637c4b3b42710a30000000000031fd98 XMM06=07c8bb74b6c04a44000000000031ec50 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000004 RBX=0000000000000b08 RCX=1ffff1100d9e708f RDX=1ffffffff10b2920 RSI=ffff88807ffdc640 RDI=ffff88800d088d80 RBP=ffff88800d088d80 RSP=ffff88806cf08d38 R8 =0000000000000005 R9 =ffff88806cf38440 R10=0000000000000003 R11=0000000000000001 R12=0000000000000000 R13=ffff88807ffdc640 R14=0000000000000005 R15=0000000000000001 RIP=ffffffff81b506ab RFL=00000206 [-----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 00007f7c34ad6900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe7dd9d000 CR3=0000000020856000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000