[ 39.204886] ------------[ cut here ]------------ [ 39.205822] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.207876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.209320] Modules linked in: [ 39.209959] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.211970] Tainted: [W]=WARN [ 39.212523] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.214242] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.215244] 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 [ 39.218404] RSP: 0018:ffff88801588fbc0 EFLAGS: 00010286 [ 39.219397] RAX: 0000000000000000 RBX: ffffed1002b11f78 RCX: ffffffff813a4050 [ 39.220682] RDX: ffff88801a648000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.221967] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b11f2f [ 39.223257] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.224533] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801588fdf8 [ 39.225815] FS: 00007f4c073da900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.227268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.228327] CR2: 00007ffd35a31ef7 CR3: 0000000016a38000 CR4: 0000000000350ef0 [ 39.229616] Call Trace: [ 39.230119] [ 39.230528] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.231433] ? __create_object+0x59/0x80 [ 39.232224] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.233180] __vmalloc_noprof+0x59/0x60 [ 39.233928] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.234796] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.235731] bpf_prog_alloc+0x39/0x200 [ 39.236423] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.237334] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.238236] do_seccomp+0x349/0x25e0 [ 39.238971] ? find_held_lock+0x2b/0x80 [ 39.239734] ? do_prlimit+0x310/0x610 [ 39.240434] ? __pfx_do_seccomp+0x10/0x10 [ 39.241220] ? do_raw_spin_unlock+0x53/0x220 [ 39.242052] ? _raw_spin_unlock+0x1e/0x40 [ 39.242831] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.243811] ? static_key_count+0x60/0x80 [ 39.244559] prctl_set_seccomp+0x4e/0x70 [ 39.245336] __do_sys_prctl+0xe6c/0x1d70 [ 39.246110] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.246972] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.247944] ? irqentry_exit+0xf3/0x650 [ 39.248716] do_syscall_64+0xbf/0x430 [ 39.249416] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.250371] RIP: 0033:0x7f4c078cc5cd [ 39.251081] 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 [ 39.254230] RSP: 002b:00007ffd35a2fab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.255612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c078cc5cd [ 39.256897] RDX: 0000556c07360e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.258163] RBP: 00007ffd35a2fb10 R08: 0000000000000000 R09: 00007ffd35a2f1b0 [ 39.259448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c348f1240 [ 39.260729] R13: 00007ffd35a2ff40 R14: 0000556c348fa380 R15: 0000556c34905540 [ 39.262022] [ 39.262440] irq event stamp: 1809 [ 39.263109] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 39.264444] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 39.265713] softirqs last enabled at (1442): [] handle_softirqs+0x50c/0x770 [ 39.267014] softirqs last disabled at (1437): [] __irq_exit_rcu+0xc4/0x100 [ 39.268295] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.788004] ------------[ cut here ]------------ [ 41.788555] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.789890] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 41.790814] Modules linked in: [ 41.791194] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.792451] Tainted: [W]=WARN [ 41.792835] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.793761] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.794304] 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 [ 41.796282] RSP: 0018:ffff888017627bc0 EFLAGS: 00010286 [ 41.796892] RAX: 0000000000000000 RBX: ffffed1002ec4f78 RCX: ffffffff813a4050 [ 41.797702] RDX: ffff8880159ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.798487] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec4f2f [ 41.799297] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.800102] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017627df8 [ 41.800904] FS: 00007f4e14895900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.801799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.802431] CR2: 00007f4e14d87580 CR3: 000000000b6f1000 CR4: 0000000000350ef0 [ 41.803249] Call Trace: [ 41.803540] [ 41.803820] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.804351] ? __create_object+0x59/0x80 [ 41.804842] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.805427] __vmalloc_noprof+0x59/0x60 [ 41.805910] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.806427] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.807027] bpf_prog_alloc+0x39/0x200 [ 41.807464] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.808048] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.808590] do_seccomp+0x349/0x25e0 [ 41.809044] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.809578] ? __pfx_do_seccomp+0x10/0x10 [ 41.810071] ? find_held_lock+0x2b/0x80 [ 41.810520] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.811133] ? static_key_count+0x60/0x80 [ 41.811609] prctl_set_seccomp+0x4e/0x70 [ 41.812095] __do_sys_prctl+0xe6c/0x1d70 [ 41.812557] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.813093] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.813698] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.814274] ? irqentry_exit+0xf3/0x650 [ 41.814752] do_syscall_64+0xbf/0x430 [ 41.815202] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.815796] RIP: 0033:0x7f4e14d875cd [ 41.816211] 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 [ 41.818206] RSP: 002b:00007ffe44bf0190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.819073] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e14d875cd [ 41.819889] RDX: 000055b24169be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.820706] RBP: 00007ffe44bf01f0 R08: 0000000000000000 R09: 00007ffe44bef890 [ 41.821474] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b27d3ab240 [ 41.822277] R13: 00007ffe44bf0620 R14: 000055b27d3aabf0 R15: 000055b27d3bf4d0 [ 41.823096] [ 41.823362] irq event stamp: 1695 [ 41.823770] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 41.824736] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 41.825697] softirqs last enabled at (1210): [] handle_softirqs+0x50c/0x770 [ 41.826637] softirqs last disabled at (1189): [] __irq_exit_rcu+0xc4/0x100 [ 41.827593] ---[ end trace 0000000000000000 ]--- [ 42.465601] ------------[ cut here ]------------ [ 42.466531] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.468619] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.470122] Modules linked in: [ 42.470760] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.473027] Tainted: [W]=WARN [ 42.473599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.475155] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.476072] 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 [ 42.479259] RSP: 0018:ffff88800a3cfbc0 EFLAGS: 00010286 [ 42.480234] RAX: 0000000000000000 RBX: ffffed1001479f78 RCX: ffffffff813a4050 [ 42.481510] RDX: ffff88801a665340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.482788] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001479f2f [ 42.484077] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.485387] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a3cfdf8 [ 42.486688] FS: 00007f49c6683900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.488156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.489215] CR2: 00007f49c6b75580 CR3: 0000000009f8f000 CR4: 0000000000350ef0 [ 42.490512] Call Trace: [ 42.491081] [ 42.491497] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.492396] ? __create_object+0x59/0x80 [ 42.493193] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.494188] __vmalloc_noprof+0x59/0x60 [ 42.494974] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.495869] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.496816] bpf_prog_alloc+0x39/0x200 [ 42.497513] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.498442] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.499373] do_seccomp+0x349/0x25e0 [ 42.500106] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.501026] ? __pfx_do_seccomp+0x10/0x10 [ 42.501821] ? find_held_lock+0x2b/0x80 [ 42.502556] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.503548] ? static_key_count+0x60/0x80 [ 42.504359] prctl_set_seccomp+0x4e/0x70 [ 42.505155] __do_sys_prctl+0xe6c/0x1d70 [ 42.505949] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.506829] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.507808] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.508801] ? irqentry_exit+0xf3/0x650 [ 42.509539] do_syscall_64+0xbf/0x430 [ 42.510274] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.511249] RIP: 0033:0x7f49c6b755cd [ 42.511961] 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 [ 42.515175] RSP: 002b:00007ffca1872720 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.516563] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f49c6b755cd [ 42.517847] RDX: 00005595ffdfde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.519145] RBP: 00007ffca1872780 R08: 0000000000000000 R09: 00007ffca1871e20 [ 42.520409] R10: 0000000000000000 R11: 0000000000000246 R12: 000055963200f2b0 [ 42.521692] R13: 00007ffca1872bb0 R14: 0000559632011d20 R15: 00005596320238d0 [ 42.523024] [ 42.523448] irq event stamp: 1905 [ 42.524016] hardirqs last enabled at (1915): [] __up_console_sem+0x78/0x80 [ 42.525299] hardirqs last disabled at (1924): [] __up_console_sem+0x5d/0x80 [ 42.526575] softirqs last enabled at (1526): [] handle_softirqs+0x50c/0x770 [ 42.527893] softirqs last disabled at (1517): [] __irq_exit_rcu+0xc4/0x100 [ 42.529166] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:57393' (ECDSA) to the list of known hosts. 2025/11/17 20:00:24 fuzzer started 2025/11/17 20:00:24 dialing manager at localhost:37895 2025/11/17 20:00:24 checking machine... 2025/11/17 20:00:24 checking revisions... [ 43.391568] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:00:24 testing simple program... [ 43.484404] cgroup: Unknown subsys name 'net' [ 43.536221] cgroup: Unknown subsys name 'cpuset' [ 43.556431] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:00:23 Registers: info registers vcpu 0 RAX=ffffffff87ce3608 RBX=ffff888016761bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888016762640 RDI=ffff888016762640 RBP=ffff888016762618 RSP=ffff88806ce08878 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888016762640 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000001 RIP=ffffffff8152757d RFL=00000082 [--S----] 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 00007f4e14895900 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=000055b27d3ac954 CR3=000000000d0d3000 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 info registers vcpu 1 RAX=0000000000022ea5 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 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe2e887a28 CR3=0000000009ba8000 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=2033323a30303a303220373120766f4e XMM01=73732878696e755f6d6170203a5d3833 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3833325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033323a30303a3032203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000