[ 47.175488] ------------[ cut here ]------------ [ 47.176394] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.178404] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 47.179817] Modules linked in: [ 47.180656] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.182917] Tainted: [W]=WARN [ 47.183465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.184902] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.185765] 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 [ 47.188898] RSP: 0018:ffff888013db7bc0 EFLAGS: 00010286 [ 47.189833] RAX: 0000000000000000 RBX: ffffed10027b6f78 RCX: ffffffff813a4050 [ 47.191083] RDX: ffff888016e8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.192342] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027b6f2f [ 47.193594] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.194891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013db7df8 [ 47.196127] FS: 00007f09e46a5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 47.197543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.198580] CR2: 00007f09e4b97580 CR3: 0000000009ed1000 CR4: 0000000000350ef0 [ 47.199829] Call Trace: [ 47.200327] [ 47.200729] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.201621] ? __create_object+0x59/0x80 [ 47.202386] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.203330] __vmalloc_noprof+0x59/0x60 [ 47.204081] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.204957] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.205849] bpf_prog_alloc+0x39/0x200 [ 47.206586] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.207502] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.208414] do_seccomp+0x349/0x25e0 [ 47.209148] ? __pfx_css_rstat_updated+0x10/0x10 [ 47.210040] ? __pfx_do_seccomp+0x10/0x10 [ 47.210774] ? find_held_lock+0x2b/0x80 [ 47.211522] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.212476] ? static_key_count+0x60/0x80 [ 47.213958] prctl_set_seccomp+0x4e/0x70 [ 47.214684] __do_sys_prctl+0xe6c/0x1d70 [ 47.215463] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.216300] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.217275] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.218235] ? irqentry_exit+0xf3/0x650 [ 47.218991] do_syscall_64+0xbf/0x430 [ 47.219689] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.220639] RIP: 0033:0x7f09e4b975cd [ 47.221333] 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 [ 47.224491] RSP: 002b:00007ffe17e1e870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.225854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f09e4b975cd [ 47.227130] RDX: 00005561bc53de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.228421] RBP: 00007ffe17e1e8d0 R08: 0000000000000000 R09: 00007ffe17e1df70 [ 47.229695] R10: 0000000000000000 R11: 0000000000000246 R12: 00005561e5a54b10 [ 47.230967] R13: 00007ffe17e1ed00 R14: 00005561e5a552b0 R15: 00005561e5a696f0 [ 47.232247] [ 47.232666] irq event stamp: 1837 [ 47.233322] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 47.234842] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 47.236372] softirqs last enabled at (1796): [] handle_softirqs+0x50c/0x770 [ 47.237910] softirqs last disabled at (1791): [] __irq_exit_rcu+0xc4/0x100 [ 47.239425] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.470553] ------------[ cut here ]------------ [ 50.471493] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.473579] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 50.475021] Modules linked in: [ 50.475602] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.477590] Tainted: [W]=WARN [ 50.478183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.479643] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.480548] 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 [ 50.483747] RSP: 0018:ffff888016a7fbc0 EFLAGS: 00010286 [ 50.484727] RAX: 0000000000000000 RBX: ffffed1002d4ff78 RCX: ffffffff813a4050 [ 50.486152] RDX: ffff88801a061bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.487563] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d4ff2f [ 50.489059] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.490525] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a7fdf8 [ 50.491989] FS: 00007f3fbaee7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.493634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.494850] CR2: 00007ffe62758ef7 CR3: 000000000df21000 CR4: 0000000000350ef0 [ 50.496391] Call Trace: [ 50.496985] [ 50.497450] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.498461] ? __create_object+0x59/0x80 [ 50.499337] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.500437] __vmalloc_noprof+0x59/0x60 [ 50.501312] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.502289] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.503334] bpf_prog_alloc+0x39/0x200 [ 50.504152] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.505237] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.506287] do_seccomp+0x349/0x25e0 [ 50.507090] ? find_held_lock+0x2b/0x80 [ 50.507932] ? do_prlimit+0x310/0x610 [ 50.508708] ? __pfx_do_seccomp+0x10/0x10 [ 50.509595] ? do_raw_spin_unlock+0x53/0x220 [ 50.510518] ? _raw_spin_unlock+0x1e/0x40 [ 50.511392] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.512496] ? static_key_count+0x60/0x80 [ 50.513437] prctl_set_seccomp+0x4e/0x70 [ 50.514301] __do_sys_prctl+0xe6c/0x1d70 [ 50.515180] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.516130] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.517211] ? irqentry_exit+0xf3/0x650 [ 50.518065] do_syscall_64+0xbf/0x430 [ 50.518833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.519928] RIP: 0033:0x7f3fbb3d95cd [ 50.520695] 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 [ 50.524222] RSP: 002b:00007ffe62756dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.525698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fbb3d95cd [ 50.527098] RDX: 000055c758ff6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.528492] RBP: 00007ffe62756e30 R08: 0000000000000000 R09: 00007ffe627564d0 [ 50.529922] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c7854dcb10 [ 50.531282] R13: 00007ffe62757260 R14: 000055c7854dd2b0 R15: 000055c7854f16f0 [ 50.532670] [ 50.533186] irq event stamp: 1773 [ 50.533832] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 50.535513] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 50.537183] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 50.538451] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 50.539525] ---[ end trace 0000000000000000 ]--- [ 51.287389] ------------[ cut here ]------------ [ 51.288338] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.290396] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 51.291918] Modules linked in: [ 51.292515] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.294586] Tainted: [W]=WARN [ 51.295183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.296682] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.297620] 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 [ 51.300770] RSP: 0018:ffff888016f4fbc0 EFLAGS: 00010286 [ 51.301827] RAX: 0000000000000000 RBX: ffffed1002de9f78 RCX: ffffffff813a4050 [ 51.303113] RDX: ffff88801638d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.304402] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de9f2f [ 51.305741] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.307008] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f4fdf8 [ 51.308315] FS: 00007ff6bf04e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.309793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.310844] CR2: 00007ffc671f0ef7 CR3: 000000001f10c000 CR4: 0000000000350ef0 [ 51.312158] Call Trace: [ 51.312621] [ 51.313092] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.313991] ? __create_object+0x59/0x80 [ 51.314736] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.315699] __vmalloc_noprof+0x59/0x60 [ 51.316470] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.317366] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.318307] bpf_prog_alloc+0x39/0x200 [ 51.319049] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.320045] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.321040] do_seccomp+0x349/0x25e0 [ 51.321770] ? find_held_lock+0x2b/0x80 [ 51.322586] ? do_prlimit+0x310/0x610 [ 51.323390] ? __pfx_do_seccomp+0x10/0x10 [ 51.324246] ? do_raw_spin_unlock+0x53/0x220 [ 51.325156] ? _raw_spin_unlock+0x1e/0x40 [ 51.326002] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.327041] ? static_key_count+0x60/0x80 [ 51.327864] prctl_set_seccomp+0x4e/0x70 [ 51.328712] __do_sys_prctl+0xe6c/0x1d70 [ 51.329562] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.330485] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.331533] ? irqentry_exit+0xf3/0x650 [ 51.332361] do_syscall_64+0xbf/0x430 [ 51.333221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.334246] RIP: 0033:0x7ff6bf5405cd [ 51.334995] 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 [ 51.338432] RSP: 002b:00007ffc671ef200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.339909] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6bf5405cd [ 51.341312] RDX: 0000564ce695ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.342694] RBP: 00007ffc671ef260 R08: 0000000000000000 R09: 00007ffc671ee900 [ 51.344072] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564d116d6ad0 [ 51.345464] R13: 00007ffc671ef690 R14: 0000564d116d7bc0 R15: 0000564d116e8780 [ 51.346867] [ 51.347356] irq event stamp: 1787 [ 51.348045] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 51.349635] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 51.351028] softirqs last enabled at (1320): [] handle_softirqs+0x50c/0x770 [ 51.352431] softirqs last disabled at (1315): [] __irq_exit_rcu+0xc4/0x100 [ 51.353819] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11700' (ECDSA) to the list of known hosts. 2025/11/17 17:18:10 fuzzer started 2025/11/17 17:18:10 dialing manager at localhost:37895 2025/11/17 17:18:10 checking machine... 2025/11/17 17:18:10 checking revisions... [ 52.397734] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:18:10 testing simple program... [ 52.498031] cgroup: Unknown subsys name 'net' [ 52.569170] cgroup: Unknown subsys name 'cpuset' [ 52.582650] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:18:09 Registers: info registers vcpu 0 RAX=000000000004a97f RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 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=00007ffda6d2e598 CR3=000000000dd07000 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=38313a373120373120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3933325b646873732039303a3831 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363836 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=000000000002e519 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3fbb49c650 CR3=000000000d73e000 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=3e61912c508499a9674be96c394048d9 XMM02=0000000000304228ec2efd57dc4c00df XMM03=000000000030fc900175686d5df190d3 XMM04=881be76c743e4be400000000000ae988 XMM05=07c8bb74b6c04a44000000000031fcd0 XMM06=d74844bf967d85ba000000000031fb58 XMM07=e042d86d42eb936e000000000030ff10 XMM08=0175686d5df190d30000000000304288 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000