[ 39.068877] ------------[ cut here ]------------ [ 39.069765] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.071823] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.073457] Modules linked in: [ 39.074189] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.076192] Tainted: [W]=WARN [ 39.076825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.078301] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.079220] 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 [ 39.082351] RSP: 0018:ffff88801c8ffbc0 EFLAGS: 00010286 [ 39.083335] RAX: 0000000000000000 RBX: ffffed100391ff78 RCX: ffffffff813a4050 [ 39.084606] RDX: ffff888019f85340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.085855] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100391ff2f [ 39.087127] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.088396] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c8ffdf8 [ 39.089655] FS: 00007feeff21a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.091110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.092166] CR2: 00007ffd945acef7 CR3: 000000000ec7f000 CR4: 0000000000350ef0 [ 39.093451] Call Trace: [ 39.093963] [ 39.094370] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.095278] ? __create_object+0x59/0x80 [ 39.096066] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.097034] __vmalloc_noprof+0x59/0x60 [ 39.097790] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.098628] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.099630] bpf_prog_alloc+0x39/0x200 [ 39.100381] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.101305] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.102209] do_seccomp+0x349/0x25e0 [ 39.102964] ? find_held_lock+0x2b/0x80 [ 39.103720] ? do_prlimit+0x310/0x610 [ 39.104420] ? __pfx_do_seccomp+0x10/0x10 [ 39.105204] ? do_raw_spin_unlock+0x53/0x220 [ 39.106045] ? _raw_spin_unlock+0x1e/0x40 [ 39.106825] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.107777] ? static_key_count+0x60/0x80 [ 39.108535] prctl_set_seccomp+0x4e/0x70 [ 39.109295] __do_sys_prctl+0xe6c/0x1d70 [ 39.110071] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.110935] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.111893] ? irqentry_exit+0xf3/0x650 [ 39.112606] do_syscall_64+0xbf/0x430 [ 39.113336] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.114274] RIP: 0033:0x7feeff70c5cd [ 39.114998] 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 [ 39.118318] RSP: 002b:00007ffd945aa7a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.119716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feeff70c5cd [ 39.120975] RDX: 000055fe1f022e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.122225] RBP: 00007ffd945aa800 R08: 0000000000000000 R09: 00007ffd945a9ea0 [ 39.123524] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fe2d035bf0 [ 39.124799] R13: 00007ffd945aac30 R14: 000055fe2d03f380 R15: 000055fe2d04a460 [ 39.126093] [ 39.126520] irq event stamp: 1831 [ 39.127132] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 39.128382] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 39.129632] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 39.130910] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 39.132152] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.152351] ------------[ cut here ]------------ [ 42.153299] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.155299] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.156760] Modules linked in: [ 42.157345] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.159293] Tainted: [W]=WARN [ 42.159886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.161324] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.162224] 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 [ 42.165348] RSP: 0018:ffff88801c807bc0 EFLAGS: 00010286 [ 42.166326] RAX: 0000000000000000 RBX: ffffed1003900f78 RCX: ffffffff813a4050 [ 42.167604] RDX: ffff888016119bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.168959] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003900f2f [ 42.170395] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.171885] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c807df8 [ 42.173177] FS: 00007f23807ff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.174658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.175748] CR2: 00007f2380d654a6 CR3: 000000000a24d000 CR4: 0000000000350ef0 [ 42.177026] Call Trace: [ 42.177481] [ 42.177923] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.178833] ? __create_object+0x59/0x80 [ 42.179561] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.180518] __vmalloc_noprof+0x59/0x60 [ 42.181272] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.182133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.183105] bpf_prog_alloc+0x39/0x200 [ 42.183842] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.184763] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.185613] do_seccomp+0x349/0x25e0 [ 42.186344] ? find_held_lock+0x2b/0x80 [ 42.187145] ? do_prlimit+0x310/0x610 [ 42.187886] ? __pfx_do_seccomp+0x10/0x10 [ 42.188624] ? do_raw_spin_unlock+0x53/0x220 [ 42.189454] ? _raw_spin_unlock+0x1e/0x40 [ 42.190237] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.191228] ? static_key_count+0x60/0x80 [ 42.192029] prctl_set_seccomp+0x4e/0x70 [ 42.192796] __do_sys_prctl+0xe6c/0x1d70 [ 42.193527] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.194381] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.195439] ? irqentry_exit+0xf3/0x650 [ 42.196195] do_syscall_64+0xbf/0x430 [ 42.196932] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.197871] RIP: 0033:0x7f2380cf15cd [ 42.198521] 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 [ 42.201627] RSP: 002b:00007ffd03cf0f00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.202972] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2380cf15cd [ 42.204230] RDX: 000055fc4e650e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.205497] RBP: 00007ffd03cf0f60 R08: 0000000000000000 R09: 00007ffd03cf0600 [ 42.206774] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc82707ad0 [ 42.208034] R13: 00007ffd03cf1390 R14: 000055fc82708bc0 R15: 000055fc82719780 [ 42.209302] [ 42.209770] irq event stamp: 1793 [ 42.210369] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.211864] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.213353] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 42.214930] softirqs last disabled at (1829): [] __irq_exit_rcu+0xc4/0x100 [ 42.216445] ---[ end trace 0000000000000000 ]--- [ 42.970982] ------------[ cut here ]------------ [ 42.971942] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.973636] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.974906] Modules linked in: [ 42.975405] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.977070] Tainted: [W]=WARN [ 42.977540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.979114] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.979952] 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 [ 42.982962] RSP: 0018:ffff888017eafbc0 EFLAGS: 00010286 [ 42.983768] RAX: 0000000000000000 RBX: ffffed1002fd5f78 RCX: ffffffff813a4050 [ 42.984832] RDX: ffff8880161f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.985908] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fd5f2f [ 42.986985] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.988177] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017eafdf8 [ 42.989230] FS: 00007f84086d9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.990447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.991353] CR2: 00007ffd968b2ef7 CR3: 000000000df2a000 CR4: 0000000000350ef0 [ 42.992426] Call Trace: [ 42.992844] [ 42.993187] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.993982] ? __create_object+0x59/0x80 [ 42.994829] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.995604] __vmalloc_noprof+0x59/0x60 [ 42.996228] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.997273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.998092] bpf_prog_alloc+0x39/0x200 [ 42.998897] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.999796] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.000644] do_seccomp+0x349/0x25e0 [ 43.001240] ? find_held_lock+0x2b/0x80 [ 43.001867] ? do_prlimit+0x310/0x610 [ 43.002453] ? __pfx_do_seccomp+0x10/0x10 [ 43.003144] ? do_raw_spin_unlock+0x53/0x220 [ 43.003843] ? _raw_spin_unlock+0x1e/0x40 [ 43.004464] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.005266] ? static_key_count+0x60/0x80 [ 43.005943] prctl_set_seccomp+0x4e/0x70 [ 43.006555] __do_sys_prctl+0xe6c/0x1d70 [ 43.007249] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.007969] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.008763] ? irqentry_exit+0xf3/0x650 [ 43.009362] do_syscall_64+0xbf/0x430 [ 43.009967] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.010777] RIP: 0033:0x7f8408bcb5cd [ 43.011437] 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 [ 43.014671] RSP: 002b:00007ffd968b07c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.015832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8408bcb5cd [ 43.016887] RDX: 000055a791522e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.017940] RBP: 00007ffd968b0820 R08: 0000000000000000 R09: 00007ffd968afec0 [ 43.019028] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a791e5d2b0 [ 43.020089] R13: 00007ffd968b0c50 R14: 000055a791e5fd20 R15: 000055a791e718d0 [ 43.021175] [ 43.021527] irq event stamp: 1901 [ 43.022057] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 43.023354] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 43.024615] softirqs last enabled at (1622): [] handle_softirqs+0x50c/0x770 [ 43.025891] softirqs last disabled at (1615): [] __irq_exit_rcu+0xc4/0x100 [ 43.027342] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42581' (ECDSA) to the list of known hosts. 2025/11/18 02:00:53 fuzzer started 2025/11/18 02:00:54 dialing manager at localhost:37895 2025/11/18 02:00:54 checking machine... 2025/11/18 02:00:54 checking revisions... [ 43.957868] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:00:54 testing simple program... [ 44.036948] cgroup: Unknown subsys name 'net' [ 44.099229] cgroup: Unknown subsys name 'cpuset' [ 44.125187] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:00:53 Registers: info registers vcpu 0 RAX=ffff88800d229cc0 RBX=0000000000000200 RCX=ffffffff8152d723 RDX=ffff88800d226fc0 RSI=0000000000000000 RDI=ffff88800d229aa0 RBP=ffff88800d229aa0 RSP=ffff88800efdf738 R8 =0000000000000001 R9 =ffffed1001dfbed8 R10=0000000000000003 R11=0000000000000001 R12=ffff88800d0f3ad0 R13=0000000000000246 R14=ffff88800d229aa0 R15=ffff88800944c280 RIP=ffffffff81b61984 RFL=00000082 [--S----] 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 00007f23807ff900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f23807c4008 CR3=000000000d7c2000 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 info registers vcpu 1 RAX=0000000080000001 RBX=0000000000000080 RCX=ffffffff81bf7a8e RDX=ffff888017be5340 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88801cdc2000 RSP=ffff888015e8f8a0 R8 =0000000000000001 R9 =ffffed1002bd1f07 R10=0000000000000080 R11=0000000000000001 R12=ffff88801cdc20b8 R13=0000000000000080 R14=0000000000000000 R15=ffff88801cdc2000 RIP=ffffffff817515d2 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 00007f51dcf0c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f51dc622000 CR3=000000000ebc7000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=0a2b24caed841ebd00000000000ae988 XMM05=818f78fd8a26a111000000000031f5f8 XMM06=07c8bb74b6c04a44000000000031e458 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000