[ 38.748402] ------------[ cut here ]------------ [ 38.749324] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.751320] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.752820] Modules linked in: [ 38.753407] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.755722] Tainted: [W]=WARN [ 38.756282] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.757753] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.758685] 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 [ 38.761868] RSP: 0018:ffff888015e4fbc0 EFLAGS: 00010286 [ 38.762848] RAX: 0000000000000000 RBX: ffffed1002bc9f78 RCX: ffffffff813a4050 [ 38.764140] RDX: ffff8880183f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.765421] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc9f2f [ 38.766702] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.767989] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e4fdf8 [ 38.769264] FS: 00007fb81c733900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.770700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.771786] CR2: 00007fb81cc25580 CR3: 000000000e7ba000 CR4: 0000000000350ef0 [ 38.773057] Call Trace: [ 38.773521] [ 38.773984] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.774878] ? __create_object+0x59/0x80 [ 38.775676] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.776607] __vmalloc_noprof+0x59/0x60 [ 38.777379] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.778254] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.779183] bpf_prog_alloc+0x39/0x200 [ 38.779942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.780885] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.781788] do_seccomp+0x349/0x25e0 [ 38.782461] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.783356] ? __pfx_do_seccomp+0x10/0x10 [ 38.784158] ? find_held_lock+0x2b/0x80 [ 38.784934] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.785896] ? static_key_count+0x60/0x80 [ 38.786700] prctl_set_seccomp+0x4e/0x70 [ 38.787438] __do_sys_prctl+0xe6c/0x1d70 [ 38.788227] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.789084] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.790061] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.791027] ? irqentry_exit+0xf3/0x650 [ 38.791813] do_syscall_64+0xbf/0x430 [ 38.792507] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.793458] RIP: 0033:0x7fb81cc255cd [ 38.794163] 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 [ 38.797329] RSP: 002b:00007ffde5cc8f50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.798680] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb81cc255cd [ 38.799959] RDX: 000055ba0d920e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.801239] RBP: 00007ffde5cc8fb0 R08: 0000000000000000 R09: 00007ffde5cc8650 [ 38.802532] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ba121eabf0 [ 38.803807] R13: 00007ffde5cc93e0 R14: 000055ba121f4380 R15: 000055ba121ff460 [ 38.805107] [ 38.805531] irq event stamp: 1855 [ 38.806188] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 38.807728] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 38.809265] softirqs last enabled at (1498): [] handle_softirqs+0x50c/0x770 [ 38.810793] softirqs last disabled at (1489): [] __irq_exit_rcu+0xc4/0x100 [ 38.812178] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.169488] ------------[ cut here ]------------ [ 41.170508] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.172726] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.174322] Modules linked in: [ 41.175029] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.177205] Tainted: [W]=WARN [ 41.177854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.179453] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.180459] 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 [ 41.183925] RSP: 0018:ffff88801a23fbc0 EFLAGS: 00010286 [ 41.184991] RAX: 0000000000000000 RBX: ffffed1003447f78 RCX: ffffffff813a4050 [ 41.186386] RDX: ffff88801695d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.187784] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003447f2f [ 41.189188] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.190593] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a23fdf8 [ 41.192022] FS: 00007f6a637dc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.193585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.194751] CR2: 00007ffd0dc9cef7 CR3: 000000001fe68000 CR4: 0000000000350ef0 [ 41.196171] Call Trace: [ 41.196729] [ 41.197175] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.198154] ? __create_object+0x59/0x80 [ 41.199004] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.200066] __vmalloc_noprof+0x59/0x60 [ 41.200895] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.201848] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.202858] bpf_prog_alloc+0x39/0x200 [ 41.203666] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.204676] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.205604] do_seccomp+0x349/0x25e0 [ 41.206390] ? find_held_lock+0x2b/0x80 [ 41.207215] ? do_prlimit+0x310/0x610 [ 41.208037] ? __pfx_do_seccomp+0x10/0x10 [ 41.208894] ? do_raw_spin_unlock+0x53/0x220 [ 41.209807] ? _raw_spin_unlock+0x1e/0x40 [ 41.210611] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.211697] ? static_key_count+0x60/0x80 [ 41.212527] prctl_set_seccomp+0x4e/0x70 [ 41.213382] __do_sys_prctl+0xe6c/0x1d70 [ 41.214242] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.215182] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.216250] ? irqentry_exit+0xf3/0x650 [ 41.217088] do_syscall_64+0xbf/0x430 [ 41.217893] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.218932] RIP: 0033:0x7f6a63cce5cd [ 41.219715] 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 [ 41.223168] RSP: 002b:00007ffd0dc9a430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.224650] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a63cce5cd [ 41.225862] RDX: 0000561b40366e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.227281] RBP: 00007ffd0dc9a490 R08: 0000000000000000 R09: 00007ffd0dc99b30 [ 41.228498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561b64c16ad0 [ 41.229682] R13: 00007ffd0dc9a8c0 R14: 0000561b64c17bc0 R15: 0000561b64c28780 [ 41.230890] [ 41.231284] irq event stamp: 1749 [ 41.231914] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 41.233326] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 41.234723] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 41.236156] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 41.237558] ---[ end trace 0000000000000000 ]--- [ 41.881766] ------------[ cut here ]------------ [ 41.882493] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.884157] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 41.885369] Modules linked in: [ 41.885904] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.887536] Tainted: [W]=WARN [ 41.888042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.889449] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.890264] 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 [ 41.892905] RSP: 0018:ffff888017827bc0 EFLAGS: 00010286 [ 41.893717] RAX: 0000000000000000 RBX: ffffed1002f04f78 RCX: ffffffff813a4050 [ 41.894783] RDX: ffff88801a010000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.895852] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f04f2f [ 41.896915] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.897978] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017827df8 [ 41.899038] FS: 00007f0321003900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.900261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.901148] CR2: 00007f03214f5580 CR3: 00000000179e6000 CR4: 0000000000350ef0 [ 41.902228] Call Trace: [ 41.902661] [ 41.903014] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.903796] ? __create_object+0x59/0x80 [ 41.904423] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.905244] __vmalloc_noprof+0x59/0x60 [ 41.905888] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.906582] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.907351] bpf_prog_alloc+0x39/0x200 [ 41.907989] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.908772] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.909494] do_seccomp+0x349/0x25e0 [ 41.910088] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.910848] ? __pfx_do_seccomp+0x10/0x10 [ 41.911463] ? find_held_lock+0x2b/0x80 [ 41.912112] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.912911] ? static_key_count+0x60/0x80 [ 41.913547] prctl_set_seccomp+0x4e/0x70 [ 41.914212] __do_sys_prctl+0xe6c/0x1d70 [ 41.914873] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.915558] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.916389] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.917187] ? irqentry_exit+0xf3/0x650 [ 41.917826] do_syscall_64+0xbf/0x430 [ 41.918396] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.919179] RIP: 0033:0x7f03214f55cd [ 41.919770] 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 [ 41.922403] RSP: 002b:00007fffb440ca60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.923548] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f03214f55cd [ 41.924668] RDX: 0000557f53996e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.925765] RBP: 00007fffb440cac0 R08: 0000000000000000 R09: 00007fffb440c160 [ 41.926831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f657c82b0 [ 41.927924] R13: 00007fffb440cef0 R14: 0000557f657cad20 R15: 0000557f657dc8d0 [ 41.929031] [ 41.929396] irq event stamp: 1867 [ 41.929952] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 41.931221] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 41.932524] softirqs last enabled at (1900): [] handle_softirqs+0x50c/0x770 [ 41.933819] softirqs last disabled at (1895): [] __irq_exit_rcu+0xc4/0x100 [ 41.935086] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1934' (ECDSA) to the list of known hosts. 2025/11/19 07:47:21 fuzzer started 2025/11/19 07:47:22 dialing manager at localhost:34383 2025/11/19 07:47:22 checking machine... 2025/11/19 07:47:22 checking revisions... [ 43.001732] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:47:22 testing simple program... [ 43.090016] cgroup: Unknown subsys name 'net' [ 43.155923] cgroup: Unknown subsys name 'cpuset' [ 43.172607] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:47:21 Registers: info registers vcpu 0 RAX=0000000000044c3f RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7d48c61000 CR3=000000000dd89000 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=6b143073e2c5d8bdbe435f7e605441f5 XMM02=00000000003039d8eff9b2d0a8fce9cb XMM03=0000000000303aa82c67c8bc2e329bc3 XMM04=98a65ef4360a725a00000000000ae988 XMM05=090f1556b20111b30000000000320358 XMM06=4c6d78203fe00ce0000000000031a008 XMM07=e042d86d42eb936e000000000030fce0 XMM08=5708151e5a4cb4430000000000303aa8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=1ffff1100343efa3 RCX=0000000000000000 RDX=1ffff11003a95f01 RSI=ffffffff81a05212 RDI=ffff88801d4af808 RBP=ffff88801fe98500 RSP=ffff88801a1f7cd8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=00007f6a637a6008 R13=ffff88801d4af718 R14=0000000000001255 R15=ffff8880167c5500 RIP=ffffffff81a05251 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f6a637dc900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6a637a6008 CR3=000000001fe12000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000