[ 38.901191] ------------[ cut here ]------------ [ 38.902212] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.904249] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.905742] Modules linked in: [ 38.906345] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.908333] Tainted: [W]=WARN [ 38.908922] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.910435] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.911333] 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 [ 38.914554] RSP: 0018:ffff8880199efbc0 EFLAGS: 00010286 [ 38.915522] RAX: 0000000000000000 RBX: ffffed100333df78 RCX: ffffffff813a4050 [ 38.916800] RDX: ffff88800f088000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.918100] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100333df2f [ 38.919399] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.920717] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880199efdf8 [ 38.922024] FS: 00007fdf368ea900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.923468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.924543] CR2: 00007ffd08f96ef8 CR3: 000000000ee82000 CR4: 0000000000350ef0 [ 38.925836] Call Trace: [ 38.926309] [ 38.926770] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.927690] ? __create_object+0x59/0x80 [ 38.928486] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.929490] __vmalloc_noprof+0x59/0x60 [ 38.930216] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.931106] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.932066] bpf_prog_alloc+0x39/0x200 [ 38.932819] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.933783] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.934716] do_seccomp+0x349/0x25e0 [ 38.935399] ? find_held_lock+0x2b/0x80 [ 38.936173] ? do_prlimit+0x310/0x610 [ 38.936924] ? __pfx_do_seccomp+0x10/0x10 [ 38.937736] ? do_raw_spin_unlock+0x53/0x220 [ 38.938585] ? _raw_spin_unlock+0x1e/0x40 [ 38.939328] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.940302] ? static_key_count+0x60/0x80 [ 38.941108] prctl_set_seccomp+0x4e/0x70 [ 38.941907] __do_sys_prctl+0xe6c/0x1d70 [ 38.942719] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.943600] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.944585] ? irqentry_exit+0xf3/0x650 [ 38.945340] do_syscall_64+0xbf/0x430 [ 38.946107] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.947061] RIP: 0033:0x7fdf36ddc5cd [ 38.947775] 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 [ 38.951105] RSP: 002b:00007ffd08f950f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.952482] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf36ddc5cd [ 38.953821] RDX: 000055c11ea9ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.955106] RBP: 00007ffd08f95150 R08: 0000000000000000 R09: 00007ffd08f947f0 [ 38.956445] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c12ebd3b10 [ 38.957753] R13: 00007ffd08f95580 R14: 000055c12ebd42b0 R15: 000055c12ebe86f0 [ 38.959099] [ 38.959562] irq event stamp: 1699 [ 38.960178] hardirqs last enabled at (1707): [] __up_console_sem+0x78/0x80 [ 38.961767] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 38.963329] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 38.964928] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 38.966485] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.104062] ------------[ cut here ]------------ [ 42.105036] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.107168] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.108693] Modules linked in: [ 42.109355] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.111710] Tainted: [W]=WARN [ 42.112294] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.113888] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.114898] 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 [ 42.118212] RSP: 0018:ffff88800f627bc0 EFLAGS: 00010286 [ 42.119256] RAX: 0000000000000000 RBX: ffffed1001ec4f78 RCX: ffffffff813a4050 [ 42.120627] RDX: ffff88801a019bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.121987] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ec4f2f [ 42.123321] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.124676] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f627df8 [ 42.126049] FS: 00007ff1632d5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.127506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.128595] CR2: 00007ff1637c7580 CR3: 000000000df2d000 CR4: 0000000000350ef0 [ 42.129964] Call Trace: [ 42.130493] [ 42.130928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.131850] ? __create_object+0x59/0x80 [ 42.132649] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.133663] __vmalloc_noprof+0x59/0x60 [ 42.134399] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.135318] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.136294] bpf_prog_alloc+0x39/0x200 [ 42.137038] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.138042] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.138994] do_seccomp+0x349/0x25e0 [ 42.139748] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.140680] ? __pfx_do_seccomp+0x10/0x10 [ 42.141518] ? find_held_lock+0x2b/0x80 [ 42.142256] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.143261] ? static_key_count+0x60/0x80 [ 42.144103] prctl_set_seccomp+0x4e/0x70 [ 42.144945] __do_sys_prctl+0xe6c/0x1d70 [ 42.145824] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.146721] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.147760] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.148805] ? irqentry_exit+0xf3/0x650 [ 42.149649] do_syscall_64+0xbf/0x430 [ 42.150396] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.151459] RIP: 0033:0x7ff1637c75cd [ 42.152150] 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 [ 42.155480] RSP: 002b:00007ffe82a91600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.156888] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1637c75cd [ 42.158258] RDX: 0000556598ea9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.159606] RBP: 00007ffe82a91660 R08: 0000000000000000 R09: 00007ffe82a90d00 [ 42.160946] R10: 0000000000000000 R11: 0000000000000246 R12: 00005565b7256ad0 [ 42.162224] R13: 00007ffe82a91a90 R14: 00005565b7257bc0 R15: 00005565b7268780 [ 42.163085] [ 42.163360] irq event stamp: 1879 [ 42.163813] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 42.164849] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 42.165875] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 42.166718] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 42.167462] ---[ end trace 0000000000000000 ]--- [ 42.882195] ------------[ cut here ]------------ [ 42.883110] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.885157] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.886621] Modules linked in: [ 42.887212] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.889210] Tainted: [W]=WARN [ 42.889827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.891305] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.892222] 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 [ 42.895447] RSP: 0018:ffff888016e9fbc0 EFLAGS: 00010286 [ 42.896377] RAX: 0000000000000000 RBX: ffffed1002dd3f78 RCX: ffffffff813a4050 [ 42.897667] RDX: ffff888019900000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.898970] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd3f2f [ 42.900255] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.901571] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e9fdf8 [ 42.902878] FS: 00007f09ef153900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.904328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.905399] CR2: 00007f09ef645580 CR3: 000000000a3a8000 CR4: 0000000000350ef0 [ 42.906729] Call Trace: [ 42.907198] [ 42.907652] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.908551] ? __create_object+0x59/0x80 [ 42.909308] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.910288] __vmalloc_noprof+0x59/0x60 [ 42.911050] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.911942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.912875] bpf_prog_alloc+0x39/0x200 [ 42.913637] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.914576] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.915497] do_seccomp+0x349/0x25e0 [ 42.916178] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.917082] ? __pfx_do_seccomp+0x10/0x10 [ 42.917894] ? find_held_lock+0x2b/0x80 [ 42.918663] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.919638] ? static_key_count+0x60/0x80 [ 42.920455] prctl_set_seccomp+0x4e/0x70 [ 42.921189] __do_sys_prctl+0xe6c/0x1d70 [ 42.921974] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.922835] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.923793] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.924772] ? irqentry_exit+0xf3/0x650 [ 42.925544] do_syscall_64+0xbf/0x430 [ 42.926231] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.927177] RIP: 0033:0x7f09ef6455cd [ 42.927867] 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 [ 42.931041] RSP: 002b:00007ffd40a474e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.932428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f09ef6455cd [ 42.933725] RDX: 00005569b4f02e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.935000] RBP: 00007ffd40a47540 R08: 0000000000000000 R09: 00007ffd40a46be0 [ 42.936289] R10: 0000000000000000 R11: 0000000000000246 R12: 00005569b65f3bf0 [ 42.937580] R13: 00007ffd40a47970 R14: 00005569b65fd380 R15: 00005569b6608460 [ 42.938892] [ 42.939316] irq event stamp: 1719 [ 42.939980] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 42.941517] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 42.943037] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 42.944593] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 42.946130] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59095' (ECDSA) to the list of known hosts. 2025/11/17 19:48:41 fuzzer started 2025/11/17 19:48:41 dialing manager at localhost:37895 2025/11/17 19:48:41 checking machine... 2025/11/17 19:48:41 checking revisions... [ 43.830661] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:48:41 testing simple program... [ 43.907866] cgroup: Unknown subsys name 'net' [ 43.957366] cgroup: Unknown subsys name 'cpuset' [ 43.967742] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:48:40 Registers: info registers vcpu 0 RAX=0000000000000010 RBX=0000000053d9b37a RCX=ffff88800d3350e0 RDX=0000000000000013 RSI=0000000061d5d43d RDI=ffffffff83c6db31 RBP=0000000000000001 RSP=ffff8880168cf208 R8 =0000000039aba128 R9 =ffff88806c4b37a0 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000092cc0 R14=ffff8880168cf270 R15=0000000000000013 RIP=ffffffff82642495 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 00007ff1632d5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe82a8b000 CR3=000000000d357000 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 info registers vcpu 1 RAX=000000000001f359 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff16388d0b0 CR3=000000000d357000 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=2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c XMM01=00000000000000000000000000ff0000 XMM02=00000000000000000000000000ff0000 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=6c6f636f746f72702f6374652f006563 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000