[ 38.914975] ------------[ cut here ]------------ [ 38.915907] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.917886] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.919324] Modules linked in: [ 38.919896] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.921849] Tainted: [W]=WARN [ 38.922442] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.923872] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.924752] 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 [ 38.927841] RSP: 0018:ffff88801758fbc0 EFLAGS: 00010286 [ 38.928803] RAX: 0000000000000000 RBX: ffffed1002eb1f78 RCX: ffffffff813a4050 [ 38.930043] RDX: ffff888016769bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.931325] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb1f2f [ 38.932576] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.933832] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801758fdf8 [ 38.935109] FS: 00007fa41741f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.936525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.937585] CR2: 00007ffd05428ef7 CR3: 0000000009fd1000 CR4: 0000000000350ef0 [ 38.938853] Call Trace: [ 38.939338] [ 38.939733] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.940632] ? __create_object+0x59/0x80 [ 38.941405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.942351] __vmalloc_noprof+0x59/0x60 [ 38.943053] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.943906] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.944840] bpf_prog_alloc+0x39/0x200 [ 38.945555] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.946484] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.947381] do_seccomp+0x349/0x25e0 [ 38.948033] ? find_held_lock+0x2b/0x80 [ 38.948781] ? do_prlimit+0x310/0x610 [ 38.949494] ? __pfx_do_seccomp+0x10/0x10 [ 38.950213] ? do_raw_spin_unlock+0x53/0x220 [ 38.951036] ? _raw_spin_unlock+0x1e/0x40 [ 38.951804] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.952740] ? static_key_count+0x60/0x80 [ 38.953526] prctl_set_seccomp+0x4e/0x70 [ 38.954249] __do_sys_prctl+0xe6c/0x1d70 [ 38.955023] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.955854] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.956791] ? irqentry_exit+0xf3/0x650 [ 38.957541] do_syscall_64+0xbf/0x430 [ 38.958226] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.959254] RIP: 0033:0x7fa4179115cd [ 38.960002] 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 [ 38.963352] RSP: 002b:00007ffd054271a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.964792] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4179115cd [ 38.966148] RDX: 0000564326b20e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.967526] RBP: 00007ffd05427200 R08: 0000000000000000 R09: 00007ffd054268a0 [ 38.968891] R10: 0000000000000000 R11: 0000000000000246 R12: 000056433f3b2240 [ 38.970247] R13: 00007ffd05427630 R14: 000056433f3bb380 R15: 000056433f3c6540 [ 38.971637] [ 38.972083] irq event stamp: 1801 [ 38.972776] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 38.974370] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 38.975592] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 38.976569] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 38.977525] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.496843] ------------[ cut here ]------------ [ 41.497403] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.498637] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.499557] Modules linked in: [ 41.499928] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.501169] Tainted: [W]=WARN [ 41.501550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.502468] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.503034] 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 [ 41.505028] RSP: 0018:ffff888016207bc0 EFLAGS: 00010286 [ 41.505646] RAX: 0000000000000000 RBX: ffffed1002c40f78 RCX: ffffffff813a4050 [ 41.506460] RDX: ffff88801b635340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.507252] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c40f2f [ 41.508072] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.508904] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016207df8 [ 41.509724] FS: 00007fbc6cf3e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.510659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.511342] CR2: 00007ffc97cb5ef7 CR3: 0000000020313000 CR4: 0000000000350ef0 [ 41.512135] Call Trace: [ 41.512457] [ 41.512721] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.513264] ? __create_object+0x59/0x80 [ 41.513758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.514377] __vmalloc_noprof+0x59/0x60 [ 41.514841] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.515400] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.515964] bpf_prog_alloc+0x39/0x200 [ 41.516436] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.516999] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.517579] do_seccomp+0x349/0x25e0 [ 41.518010] ? find_held_lock+0x2b/0x80 [ 41.518503] ? do_prlimit+0x310/0x610 [ 41.518954] ? __pfx_do_seccomp+0x10/0x10 [ 41.519458] ? do_raw_spin_unlock+0x53/0x220 [ 41.519964] ? _raw_spin_unlock+0x1e/0x40 [ 41.520463] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.521051] ? static_key_count+0x60/0x80 [ 41.521569] prctl_set_seccomp+0x4e/0x70 [ 41.522039] __do_sys_prctl+0xe6c/0x1d70 [ 41.522545] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.523064] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.523679] ? irqentry_exit+0xf3/0x650 [ 41.524138] do_syscall_64+0xbf/0x430 [ 41.524608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.525195] RIP: 0033:0x7fbc6d4305cd [ 41.525656] 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 [ 41.527675] RSP: 002b:00007ffc97cb4e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.528555] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc6d4305cd [ 41.529370] RDX: 0000559bd7265e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.530161] RBP: 00007ffc97cb4ea0 R08: 0000000000000000 R09: 00007ffc97cb4540 [ 41.530989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bdd941ad0 [ 41.531807] R13: 00007ffc97cb52d0 R14: 0000559bdd942bc0 R15: 0000559bdd953780 [ 41.532634] [ 41.532905] irq event stamp: 1657 [ 41.533292] hardirqs last enabled at (1665): [] __up_console_sem+0x78/0x80 [ 41.534262] hardirqs last disabled at (1674): [] __up_console_sem+0x5d/0x80 [ 41.535240] softirqs last enabled at (1174): [] handle_softirqs+0x50c/0x770 [ 41.536219] softirqs last disabled at (1165): [] __irq_exit_rcu+0xc4/0x100 [ 41.537183] ---[ end trace 0000000000000000 ]--- [ 42.222908] ------------[ cut here ]------------ [ 42.223827] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.225838] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.227319] Modules linked in: [ 42.227899] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.229885] Tainted: [W]=WARN [ 42.230483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.231957] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.232863] 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 [ 42.236057] RSP: 0018:ffff88800f2dfbc0 EFLAGS: 00010286 [ 42.237034] RAX: 0000000000000000 RBX: ffffed1001e5bf78 RCX: ffffffff813a4050 [ 42.238325] RDX: ffff88800e44b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.239613] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e5bf2f [ 42.240869] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.242138] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2dfdf8 [ 42.243426] FS: 00007f1764436900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.244850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.245892] CR2: 00007f1764928580 CR3: 0000000020d5f000 CR4: 0000000000350ef0 [ 42.247182] Call Trace: [ 42.247700] [ 42.248113] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.249001] ? __create_object+0x59/0x80 [ 42.249776] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.250754] __vmalloc_noprof+0x59/0x60 [ 42.251490] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.252362] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.253250] bpf_prog_alloc+0x39/0x200 [ 42.253980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.254911] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.255816] do_seccomp+0x349/0x25e0 [ 42.256534] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.257442] ? __pfx_do_seccomp+0x10/0x10 [ 42.258178] ? find_held_lock+0x2b/0x80 [ 42.258949] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.259904] ? static_key_count+0x60/0x80 [ 42.260707] prctl_set_seccomp+0x4e/0x70 [ 42.261479] __do_sys_prctl+0xe6c/0x1d70 [ 42.262221] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.263095] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.264055] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.265015] ? irqentry_exit+0xf3/0x650 [ 42.265774] do_syscall_64+0xbf/0x430 [ 42.266522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.267479] RIP: 0033:0x7f17649285cd [ 42.268139] 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 [ 42.271286] RSP: 002b:00007ffc9626dd20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.272651] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f17649285cd [ 42.273927] RDX: 0000564549b56e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.275225] RBP: 00007ffc9626dd80 R08: 0000000000000000 R09: 00007ffc9626d420 [ 42.276493] R10: 0000000000000000 R11: 0000000000000246 R12: 000056457760dad0 [ 42.277776] R13: 00007ffc9626e1b0 R14: 000056457760ebc0 R15: 000056457761f780 [ 42.279082] [ 42.279532] irq event stamp: 1673 [ 42.280142] hardirqs last enabled at (1681): [] __up_console_sem+0x78/0x80 [ 42.281667] hardirqs last disabled at (1690): [] __up_console_sem+0x5d/0x80 [ 42.283177] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 42.284688] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 42.286201] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:8423' (ECDSA) to the list of known hosts. 2025/11/18 02:41:08 fuzzer started 2025/11/18 02:41:08 dialing manager at localhost:37895 2025/11/18 02:41:08 checking machine... 2025/11/18 02:41:08 checking revisions... [ 43.099428] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:41:08 testing simple program... [ 43.190167] cgroup: Unknown subsys name 'net' [ 43.249094] cgroup: Unknown subsys name 'cpuset' [ 43.269841] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 51.925735] audit: type=1400 audit(1763433677.569:7): avc: denied { execmem } for pid=276 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 02:41:07 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88801756f7a0 RCX=0000000000000001 RDX=1ffff1100d9c114c RSI=ffff88801756f770 RDI=ffff88806ce08a60 RBP=ffff888017568000 RSP=ffff88806ce089e0 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000011c66 R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88801756f770 R15=ffff88806ce08a50 RIP=ffffffff8135fbc5 RFL=00000246 [---Z-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 00007fbc6cf3e900 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=00007fbc6cef7008 CR3=000000000e76a000 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=31343a323020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383634 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002191f 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=00000202 [-------] 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa2d52436f8 CR3=000000000dbc2000 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=2037303a31343a323020383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037303a31343a3230203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000