[ 38.936006] ------------[ cut here ]------------ [ 38.937012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.939080] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.940948] Modules linked in: [ 38.941564] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.943670] Tainted: [W]=WARN [ 38.944316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.945873] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.946763] 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 [ 38.950031] RSP: 0018:ffff88801893fbc0 EFLAGS: 00010286 [ 38.951070] RAX: 0000000000000000 RBX: ffffed1003127f78 RCX: ffffffff813a4050 [ 38.952397] RDX: ffff888016d48000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.953732] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003127f2f [ 38.955071] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.956391] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801893fdf8 [ 38.957745] FS: 00007fe5649b9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.959254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.960359] CR2: 00007fffbf049ef7 CR3: 000000000cb00000 CR4: 0000000000350ef0 [ 38.961699] Call Trace: [ 38.962252] [ 38.962676] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.963615] ? __create_object+0x59/0x80 [ 38.964431] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.965451] __vmalloc_noprof+0x59/0x60 [ 38.966250] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.967157] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.968140] bpf_prog_alloc+0x39/0x200 [ 38.968942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.969935] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.970821] do_seccomp+0x349/0x25e0 [ 38.971564] ? find_held_lock+0x2b/0x80 [ 38.972358] ? do_prlimit+0x310/0x610 [ 38.973160] ? __pfx_do_seccomp+0x10/0x10 [ 38.973997] ? do_raw_spin_unlock+0x53/0x220 [ 38.974819] ? _raw_spin_unlock+0x1e/0x40 [ 38.975625] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.976637] ? static_key_count+0x60/0x80 [ 38.977478] prctl_set_seccomp+0x4e/0x70 [ 38.978306] __do_sys_prctl+0xe6c/0x1d70 [ 38.979127] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.980020] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.981046] ? irqentry_exit+0xf3/0x650 [ 38.981811] do_syscall_64+0xbf/0x430 [ 38.982600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.983582] RIP: 0033:0x7fe564eab5cd [ 38.984334] 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 [ 38.987628] RSP: 002b:00007fffbf047620 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.989088] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe564eab5cd [ 38.990411] RDX: 000055bfc7ddbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.991740] RBP: 00007fffbf047680 R08: 0000000000000000 R09: 00007fffbf046d20 [ 38.993105] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bfceae3ad0 [ 38.994042] R13: 00007fffbf047ab0 R14: 000055bfceae4bc0 R15: 000055bfceaf5780 [ 38.994900] [ 38.995175] irq event stamp: 3153 [ 38.995571] hardirqs last enabled at (3161): [] __up_console_sem+0x78/0x80 [ 38.996589] hardirqs last disabled at (3170): [] __up_console_sem+0x5d/0x80 [ 38.997544] softirqs last enabled at (3076): [] handle_softirqs+0x50c/0x770 [ 38.998306] softirqs last disabled at (3071): [] __irq_exit_rcu+0xc4/0x100 [ 38.999061] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.213063] ------------[ cut here ]------------ [ 41.214153] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.216270] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.217773] Modules linked in: [ 41.218425] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.220439] Tainted: [W]=WARN [ 41.221060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.222542] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.223472] 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 [ 41.226699] RSP: 0018:ffff8880168a7bc0 EFLAGS: 00010286 [ 41.227688] RAX: 0000000000000000 RBX: ffffed1002d14f78 RCX: ffffffff813a4050 [ 41.229013] RDX: ffff888009fbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.230317] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d14f2f [ 41.231615] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.232924] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168a7df8 [ 41.234232] FS: 00007f5e0282f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.235698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.236782] CR2: 00007ffe50261ef7 CR3: 0000000020012000 CR4: 0000000000350ef0 [ 41.238096] Call Trace: [ 41.238568] [ 41.239037] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.239953] ? __create_object+0x59/0x80 [ 41.240701] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.241705] __vmalloc_noprof+0x59/0x60 [ 41.242473] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.243358] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.244306] bpf_prog_alloc+0x39/0x200 [ 41.245072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.246014] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.246927] do_seccomp+0x349/0x25e0 [ 41.247609] ? find_held_lock+0x2b/0x80 [ 41.248381] ? do_prlimit+0x310/0x610 [ 41.249150] ? __pfx_do_seccomp+0x10/0x10 [ 41.249942] ? do_raw_spin_unlock+0x53/0x220 [ 41.250743] ? _raw_spin_unlock+0x1e/0x40 [ 41.251536] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.252509] ? static_key_count+0x60/0x80 [ 41.253335] prctl_set_seccomp+0x4e/0x70 [ 41.254124] __do_sys_prctl+0xe6c/0x1d70 [ 41.254925] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.255745] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.256723] ? irqentry_exit+0xf3/0x650 [ 41.257506] do_syscall_64+0xbf/0x430 [ 41.258272] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.259240] RIP: 0033:0x7f5e02d215cd [ 41.259950] 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 [ 41.263175] RSP: 002b:00007ffe50260920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.264536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e02d215cd [ 41.265826] RDX: 000056293cc78e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.267126] RBP: 00007ffe50260980 R08: 0000000000000000 R09: 00007ffe50260020 [ 41.268385] R10: 0000000000000000 R11: 0000000000000246 R12: 000056296b2f5bf0 [ 41.269683] R13: 00007ffe50260db0 R14: 000056296b2ff380 R15: 000056296b30a460 [ 41.270975] [ 41.271388] irq event stamp: 1759 [ 41.272020] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 41.273535] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 41.275032] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 41.276550] softirqs last disabled at (1645): [] __irq_exit_rcu+0xc4/0x100 [ 41.278058] ---[ end trace 0000000000000000 ]--- [ 42.105875] ------------[ cut here ]------------ [ 42.106756] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.108757] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.110506] Modules linked in: [ 42.111206] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.113215] Tainted: [W]=WARN [ 42.113760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.115232] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.116150] 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 [ 42.119342] RSP: 0018:ffff88800f64fbc0 EFLAGS: 00010286 [ 42.120318] RAX: 0000000000000000 RBX: ffffed1001ec9f78 RCX: ffffffff813a4050 [ 42.121598] RDX: ffff888015fb5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.122884] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ec9f2f [ 42.124163] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.125465] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f64fdf8 [ 42.126756] FS: 00007f06345de900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.128196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.129282] CR2: 00007ffe16134ef7 CR3: 000000002020d000 CR4: 0000000000350ef0 [ 42.130575] Call Trace: [ 42.131085] [ 42.131496] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.132397] ? __create_object+0x59/0x80 [ 42.133199] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.134181] __vmalloc_noprof+0x59/0x60 [ 42.134956] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.135790] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.136733] bpf_prog_alloc+0x39/0x200 [ 42.137496] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.138431] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.139347] do_seccomp+0x349/0x25e0 [ 42.140077] ? find_held_lock+0x2b/0x80 [ 42.140794] ? do_prlimit+0x310/0x610 [ 42.141575] ? __pfx_do_seccomp+0x10/0x10 [ 42.142369] ? do_raw_spin_unlock+0x53/0x220 [ 42.143214] ? _raw_spin_unlock+0x1e/0x40 [ 42.144015] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.145001] ? static_key_count+0x60/0x80 [ 42.145777] prctl_set_seccomp+0x4e/0x70 [ 42.146557] __do_sys_prctl+0xe6c/0x1d70 [ 42.147343] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.148209] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.149201] ? irqentry_exit+0xf3/0x650 [ 42.149974] do_syscall_64+0xbf/0x430 [ 42.150675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.151650] RIP: 0033:0x7f0634ad05cd [ 42.152357] 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 [ 42.155181] RSP: 002b:00007ffe16133490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.156327] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0634ad05cd [ 42.157425] RDX: 00005616f2e34e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.158506] RBP: 00007ffe161334f0 R08: 0000000000000000 R09: 00007ffe16132b90 [ 42.159580] R10: 0000000000000000 R11: 0000000000000246 R12: 000056170e503b10 [ 42.160653] R13: 00007ffe16133920 R14: 000056170e5042b0 R15: 000056170e5186f0 [ 42.161766] [ 42.162151] irq event stamp: 1849 [ 42.162660] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 42.163932] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 42.165221] softirqs last enabled at (1404): [] handle_softirqs+0x50c/0x770 [ 42.166516] softirqs last disabled at (1399): [] __irq_exit_rcu+0xc4/0x100 [ 42.167799] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12387' (ECDSA) to the list of known hosts. 2025/11/18 03:23:49 fuzzer started 2025/11/18 03:23:50 dialing manager at localhost:37895 2025/11/18 03:23:50 checking machine... 2025/11/18 03:23:50 checking revisions... [ 43.141900] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:23:50 testing simple program... [ 43.242314] cgroup: Unknown subsys name 'net' [ 43.321231] cgroup: Unknown subsys name 'cpuset' [ 43.351559] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:23:49 Registers: info registers vcpu 0 RAX=0000000080010002 RBX=ffff88806ce28548 RCX=ffffffff81639e97 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=0000000000000000 RSP=ffff88806ce08eb8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000046 R13=dffffc0000000000 R14=0000000000000000 R15=0000000000013fac RIP=ffffffff817515ca RFL=00000046 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcb3294b000 CR3=000000000e8c9000 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=24ccd7c97bcf679c91439624165b0f8a XMM02=0000000000305378eff9b2d0a8fce9cb XMM03=00000000003054482c67c8bc2e329bc3 XMM04=3594f682f228336200000000000ae988 XMM05=b79bab9f25041a5a0000000000322ec8 XMM06=d74844bf967d85ba0000000000321c98 XMM07=e042d86d42eb936e0000000000310e78 XMM08=34ece6c24071aaec0000000000305448 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=ffff888017643780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880176441d8 RDI=00000000ffffffff RBP=ffff8880176441d8 RSP=ffff88800e457918 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880176441d8 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527562 RFL=00000046 [---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 00007f5e0282f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe5025a000 CR3=000000000d17f000 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