[ 39.102736] ------------[ cut here ]------------ [ 39.103595] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.105748] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.107135] Modules linked in: [ 39.107699] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.109635] Tainted: [W]=WARN [ 39.110193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.111564] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.112434] 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 [ 39.115425] RSP: 0018:ffff888019ee7bc0 EFLAGS: 00010286 [ 39.116356] RAX: 0000000000000000 RBX: ffffed10033dcf78 RCX: ffffffff813a4050 [ 39.117565] RDX: ffff8880178e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.118788] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033dcf2f [ 39.120016] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.121226] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ee7df8 [ 39.122439] FS: 00007f3dad58f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.123802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.124820] CR2: 00007f3dadaf54a6 CR3: 000000000da24000 CR4: 0000000000350ef0 [ 39.126032] Call Trace: [ 39.126463] [ 39.126894] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.127710] ? __create_object+0x59/0x80 [ 39.128471] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.129384] __vmalloc_noprof+0x59/0x60 [ 39.130093] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.130919] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.131750] bpf_prog_alloc+0x39/0x200 [ 39.132463] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.133340] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.134204] do_seccomp+0x349/0x25e0 [ 39.134885] ? find_held_lock+0x2b/0x80 [ 39.135563] ? do_prlimit+0x310/0x610 [ 39.136276] ? __pfx_do_seccomp+0x10/0x10 [ 39.137038] ? do_raw_spin_unlock+0x53/0x220 [ 39.137825] ? _raw_spin_unlock+0x1e/0x40 [ 39.138516] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.139439] ? static_key_count+0x60/0x80 [ 39.140203] prctl_set_seccomp+0x4e/0x70 [ 39.140956] __do_sys_prctl+0xe6c/0x1d70 [ 39.141653] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.142468] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.143393] ? irqentry_exit+0xf3/0x650 [ 39.144113] do_syscall_64+0xbf/0x430 [ 39.144843] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.145708] RIP: 0033:0x7f3dada815cd [ 39.146376] 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 [ 39.149359] RSP: 002b:00007ffcb6c95100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.150648] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3dada815cd [ 39.151869] RDX: 00005635c3457e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.153087] RBP: 00007ffcb6c95160 R08: 0000000000000000 R09: 00007ffcb6c94800 [ 39.154295] R10: 0000000000000000 R11: 0000000000000246 R12: 00005635fc005ad0 [ 39.155512] R13: 00007ffcb6c95590 R14: 00005635fc006bc0 R15: 00005635fc017780 [ 39.156751] [ 39.157177] irq event stamp: 1789 [ 39.157743] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 39.159211] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 39.160665] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 39.162140] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 39.163581] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.481635] ------------[ cut here ]------------ [ 42.482419] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.484079] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.485294] Modules linked in: [ 42.486001] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.487814] Tainted: [W]=WARN [ 42.488266] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.489484] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.490227] 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 [ 42.492840] RSP: 0018:ffff888015fdfbc0 EFLAGS: 00010286 [ 42.493610] RAX: 0000000000000000 RBX: ffffed1002bfbf78 RCX: ffffffff813a4050 [ 42.494755] RDX: ffff888019978000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.495868] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bfbf2f [ 42.497110] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.498162] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015fdfdf8 [ 42.499217] FS: 00007f3d18c14900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.500408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.501281] CR2: 00007f3d19106580 CR3: 000000001f480000 CR4: 0000000000350ef0 [ 42.502349] Call Trace: [ 42.502739] [ 42.503111] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.503844] ? __create_object+0x59/0x80 [ 42.504486] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.505283] __vmalloc_noprof+0x59/0x60 [ 42.505903] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.506695] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.507457] bpf_prog_alloc+0x39/0x200 [ 42.508083] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.508983] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.509696] do_seccomp+0x349/0x25e0 [ 42.510286] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.511031] ? __pfx_do_seccomp+0x10/0x10 [ 42.511658] ? find_held_lock+0x2b/0x80 [ 42.512286] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.513232] ? static_key_count+0x60/0x80 [ 42.513946] prctl_set_seccomp+0x4e/0x70 [ 42.514571] __do_sys_prctl+0xe6c/0x1d70 [ 42.515373] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.516080] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.517000] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.517918] ? irqentry_exit+0xf3/0x650 [ 42.518577] do_syscall_64+0xbf/0x430 [ 42.519189] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.520147] RIP: 0033:0x7f3d191065cd [ 42.520797] 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 [ 42.523696] RSP: 002b:00007ffef107e3e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.524834] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d191065cd [ 42.525903] RDX: 0000557f096c2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.527093] RBP: 00007ffef107e440 R08: 0000000000000000 R09: 00007ffef107dae0 [ 42.528159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f0a89fb10 [ 42.529390] R13: 00007ffef107e870 R14: 0000557f0a8a02b0 R15: 0000557f0a8b46f0 [ 42.530473] [ 42.530856] irq event stamp: 1823 [ 42.531356] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 42.532653] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 42.533924] softirqs last enabled at (1348): [] handle_softirqs+0x50c/0x770 [ 42.535210] softirqs last disabled at (1323): [] __irq_exit_rcu+0xc4/0x100 [ 42.536484] ---[ end trace 0000000000000000 ]--- [ 43.314986] ------------[ cut here ]------------ [ 43.315923] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.317904] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.319337] Modules linked in: [ 43.319976] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.321921] Tainted: [W]=WARN [ 43.322464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.323898] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.324805] 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 [ 43.327906] RSP: 0018:ffff888019b87bc0 EFLAGS: 00010286 [ 43.328877] RAX: 0000000000000000 RBX: ffffed1003370f78 RCX: ffffffff813a4050 [ 43.330141] RDX: ffff8880176cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.331408] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003370f2f [ 43.332680] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.333942] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b87df8 [ 43.335192] FS: 00007fa16f9cb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.336616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.337667] CR2: 00007ffe34b45ef7 CR3: 000000001ea70000 CR4: 0000000000350ef0 [ 43.338933] Call Trace: [ 43.339394] [ 43.339847] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.340701] ? __create_object+0x59/0x80 [ 43.341471] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.342422] __vmalloc_noprof+0x59/0x60 [ 43.343171] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.344035] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.344973] bpf_prog_alloc+0x39/0x200 [ 43.345656] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.346558] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.347427] do_seccomp+0x349/0x25e0 [ 43.348128] ? find_held_lock+0x2b/0x80 [ 43.348867] ? do_prlimit+0x310/0x610 [ 43.349553] ? __pfx_do_seccomp+0x10/0x10 [ 43.350321] ? do_raw_spin_unlock+0x53/0x220 [ 43.351135] ? _raw_spin_unlock+0x1e/0x40 [ 43.351905] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.352875] ? static_key_count+0x60/0x80 [ 43.353615] prctl_set_seccomp+0x4e/0x70 [ 43.354381] __do_sys_prctl+0xe6c/0x1d70 [ 43.355148] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.355998] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.356976] ? irqentry_exit+0xf3/0x650 [ 43.357685] do_syscall_64+0xbf/0x430 [ 43.358399] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.359316] RIP: 0033:0x7fa16febd5cd [ 43.360008] 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 [ 43.363096] RSP: 002b:00007ffe34b43400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.364452] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa16febd5cd [ 43.365717] RDX: 0000555c5b10fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.366977] RBP: 00007ffe34b43460 R08: 0000000000000000 R09: 00007ffe34b42b00 [ 43.368243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555c640062b0 [ 43.369520] R13: 00007ffe34b43890 R14: 0000555c64008d20 R15: 0000555c6401a8d0 [ 43.370821] [ 43.371241] irq event stamp: 1751 [ 43.371883] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 43.373392] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 43.374896] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 43.376417] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 43.377704] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26721' (ECDSA) to the list of known hosts. 2025/11/19 05:15:47 fuzzer started 2025/11/19 05:15:47 dialing manager at localhost:34383 2025/11/19 05:15:47 checking machine... 2025/11/19 05:15:47 checking revisions... [ 44.275389] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:15:48 testing simple program... [ 44.357065] cgroup: Unknown subsys name 'net' [ 44.409598] cgroup: Unknown subsys name 'cpuset' [ 44.420904] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:15:47 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880e538f000 RCX=ffffffff8175a6fb RDX=ffff88800a019bc0 RSI=ffffffff8175a7b7 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff88806ce089f0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e787a8 R15=ffff888009462280 RIP=ffffffff815bd114 RFL=00000202 [-------] 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 00007f3d18c14900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffef1078000 CR3=000000001f4ec000 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=0000000000029d59 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5b31a7a000 CR3=000000000a198000 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=317809195d082294654bcaa7abdb0454 XMM02=0000000000301d20ec2efd57dc4c00df XMM03=000000000030d97854bc2a2299d33118 XMM04=b305468dd311a4d400000000000ae988 XMM05=14648eaa1277bab1000000000031e378 XMM06=28637473316583150000000000318208 XMM07=e042d86d42eb936e000000000030dc50 XMM08=54bc2a2299d331180000000000301d80 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000