[ 47.076405] ------------[ cut here ]------------ [ 47.077330] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.079289] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 47.080746] Modules linked in: [ 47.081322] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.083338] Tainted: [W]=WARN [ 47.084140] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.085672] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.086548] 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 [ 47.089643] RSP: 0018:ffff8880169b7bc0 EFLAGS: 00010286 [ 47.090599] RAX: 0000000000000000 RBX: ffffed1002d36f78 RCX: ffffffff813a4050 [ 47.091847] RDX: ffff88800b3d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.093088] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d36f2f [ 47.094344] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.095613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169b7df8 [ 47.096855] FS: 00007fa8d26c7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.098234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.099275] CR2: 00007ffccdbebef7 CR3: 000000000e67d000 CR4: 0000000000350ef0 [ 47.100527] Call Trace: [ 47.101019] [ 47.101418] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.102288] ? __create_object+0x59/0x80 [ 47.103062] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.104012] __vmalloc_noprof+0x59/0x60 [ 47.104740] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.105548] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.106467] bpf_prog_alloc+0x39/0x200 [ 47.107166] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.108067] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.108946] do_seccomp+0x349/0x25e0 [ 47.109599] ? find_held_lock+0x2b/0x80 [ 47.110336] ? do_prlimit+0x310/0x610 [ 47.111069] ? __pfx_do_seccomp+0x10/0x10 [ 47.111834] ? do_raw_spin_unlock+0x53/0x220 [ 47.112591] ? _raw_spin_unlock+0x1e/0x40 [ 47.113364] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.114294] ? static_key_count+0x60/0x80 [ 47.115103] prctl_set_seccomp+0x4e/0x70 [ 47.115870] __do_sys_prctl+0xe6c/0x1d70 [ 47.116780] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.117594] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.118567] ? irqentry_exit+0xf3/0x650 [ 47.119334] do_syscall_64+0xbf/0x430 [ 47.120079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.121026] RIP: 0033:0x7fa8d2bb95cd [ 47.121681] 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 [ 47.124882] RSP: 002b:00007ffccdbe9f30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.126234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa8d2bb95cd [ 47.127545] RDX: 000055bc56867e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.128828] RBP: 00007ffccdbe9f90 R08: 0000000000000000 R09: 00007ffccdbe9630 [ 47.130105] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bc6bf9bad0 [ 47.131383] R13: 00007ffccdbea3c0 R14: 000055bc6bf9cbc0 R15: 000055bc6bfad780 [ 47.132675] [ 47.133148] irq event stamp: 1871 [ 47.133791] hardirqs last enabled at (1881): [] __up_console_sem+0x78/0x80 [ 47.135332] hardirqs last disabled at (1890): [] __up_console_sem+0x5d/0x80 [ 47.136837] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 47.138355] softirqs last disabled at (1787): [] __irq_exit_rcu+0xc4/0x100 [ 47.139874] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.140091] ------------[ cut here ]------------ [ 50.141045] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.143129] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 50.144560] Modules linked in: [ 50.145180] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.147240] Tainted: [W]=WARN [ 50.147839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.150827] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.151846] 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 [ 50.155087] RSP: 0018:ffff88801a99fbc0 EFLAGS: 00010286 [ 50.156069] RAX: 0000000000000000 RBX: ffffed1003533f78 RCX: ffffffff813a4050 [ 50.157343] RDX: ffff88801603b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.158674] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003533f2f [ 50.159983] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.161271] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a99fdf8 [ 50.162575] FS: 00007f5113e8a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.164070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.165168] CR2: 00007ffe101fbef7 CR3: 000000000de96000 CR4: 0000000000350ef0 [ 50.166509] Call Trace: [ 50.167059] [ 50.167488] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.168413] ? __create_object+0x59/0x80 [ 50.169223] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.170225] __vmalloc_noprof+0x59/0x60 [ 50.171046] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.171945] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.172903] bpf_prog_alloc+0x39/0x200 [ 50.173615] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.174605] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.175545] do_seccomp+0x349/0x25e0 [ 50.176288] ? find_held_lock+0x2b/0x80 [ 50.177070] ? do_prlimit+0x310/0x610 [ 50.177837] ? __pfx_do_seccomp+0x10/0x10 [ 50.178645] ? do_raw_spin_unlock+0x53/0x220 [ 50.179503] ? _raw_spin_unlock+0x1e/0x40 [ 50.180310] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.181303] ? static_key_count+0x60/0x80 [ 50.182125] prctl_set_seccomp+0x4e/0x70 [ 50.182967] __do_sys_prctl+0xe6c/0x1d70 [ 50.183777] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.184619] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.185615] ? irqentry_exit+0xf3/0x650 [ 50.186404] do_syscall_64+0xbf/0x430 [ 50.187207] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.188292] RIP: 0033:0x7f511437c5cd [ 50.189033] 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 [ 50.192363] RSP: 002b:00007ffe101fac00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.193767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f511437c5cd [ 50.195170] RDX: 000055eb1642fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.196548] RBP: 00007ffe101fac60 R08: 0000000000000000 R09: 00007ffe101fa300 [ 50.197884] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb423b72b0 [ 50.199244] R13: 00007ffe101fb090 R14: 000055eb423b9d20 R15: 000055eb423cb8d0 [ 50.200585] [ 50.201064] irq event stamp: 2193 [ 50.201732] hardirqs last enabled at (2201): [] __up_console_sem+0x78/0x80 [ 50.203338] hardirqs last disabled at (2212): [] __up_console_sem+0x5d/0x80 [ 50.204767] softirqs last enabled at (2104): [] handle_softirqs+0x50c/0x770 [ 50.206213] softirqs last disabled at (2099): [] __irq_exit_rcu+0xc4/0x100 [ 50.207639] ---[ end trace 0000000000000000 ]--- [ 50.871925] ------------[ cut here ]------------ [ 50.872920] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.875075] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.876663] Modules linked in: [ 50.877403] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.879578] Tainted: [W]=WARN [ 50.880220] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.881827] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.882852] 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 [ 50.886314] RSP: 0018:ffff8880145d7bc0 EFLAGS: 00010286 [ 50.887401] RAX: 0000000000000000 RBX: ffffed10028baf78 RCX: ffffffff813a4050 [ 50.888787] RDX: ffff888017e75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.890170] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028baf2f [ 50.891570] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.892909] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880145d7df8 [ 50.894260] FS: 00007f78b536b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.895807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.896909] CR2: 00007ffff2a3cef7 CR3: 0000000020703000 CR4: 0000000000350ef0 [ 50.898259] Call Trace: [ 50.898835] [ 50.899270] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.900211] ? __create_object+0x59/0x80 [ 50.901054] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.902056] __vmalloc_noprof+0x59/0x60 [ 50.902869] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.903813] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.904778] bpf_prog_alloc+0x39/0x200 [ 50.905500] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.906477] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.907461] do_seccomp+0x349/0x25e0 [ 50.908199] ? find_held_lock+0x2b/0x80 [ 50.908998] ? do_prlimit+0x310/0x610 [ 50.909792] ? __pfx_do_seccomp+0x10/0x10 [ 50.910587] ? do_raw_spin_unlock+0x53/0x220 [ 50.911466] ? _raw_spin_unlock+0x1e/0x40 [ 50.912279] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.913282] ? static_key_count+0x60/0x80 [ 50.914114] prctl_set_seccomp+0x4e/0x70 [ 50.914956] __do_sys_prctl+0xe6c/0x1d70 [ 50.915802] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.916670] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.917690] ? irqentry_exit+0xf3/0x650 [ 50.918527] do_syscall_64+0xbf/0x430 [ 50.919319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.920336] RIP: 0033:0x7f78b585d5cd [ 50.921065] 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 [ 50.924408] RSP: 002b:00007ffff2a3ba20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.925825] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f78b585d5cd [ 50.927164] RDX: 00005654ffb7ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.928488] RBP: 00007ffff2a3ba80 R08: 0000000000000000 R09: 00007ffff2a3b120 [ 50.929834] R10: 0000000000000000 R11: 0000000000000246 R12: 00005655174ddbf0 [ 50.931145] R13: 00007ffff2a3beb0 R14: 00005655174e7380 R15: 00005655174f2460 [ 50.932277] [ 50.932644] irq event stamp: 1741 [ 50.933190] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 50.934530] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 50.935846] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 50.937165] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 50.938481] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24717' (ECDSA) to the list of known hosts. 2025/11/19 00:47:16 fuzzer started 2025/11/19 00:47:17 dialing manager at localhost:34383 2025/11/19 00:47:17 checking machine... 2025/11/19 00:47:17 checking revisions... [ 51.759793] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:47:17 testing simple program... [ 51.835770] cgroup: Unknown subsys name 'net' [ 51.891778] cgroup: Unknown subsys name 'cpuset' [ 51.911510] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:47:16 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=0000000000000200 RCX=ffffffff87cec9b0 RDX=0000000000000008 RSI=ffff888009612640 RDI=ffff888009611bc0 RBP=ffff888009611bc0 RSP=ffff8880096275f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff888009612640 R15=0000000000000003 RIP=ffffffff81526594 RFL=00000007 [-----PC] 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 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f128d14c000 CR3=000000000d153000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=ac59cb79d4bfe2c300000000000ae988 XMM05=e51863b507df98d20000000000322140 XMM06=d96330e2d2db86320000000000320d50 XMM07=fb795ef6d657705600000000003115d8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000002 RCX=0000000000000001 RDX=1ffff110031eee7e RSI=ffffffff816e3fa7 RDI=ffff888018f773f0 RBP=ffff8880e548f000 RSP=ffff88806cf08ce8 R8 =0000000000000000 R9 =0000000000000000 R10=00000000000b045e R11=0000000000000001 R12=ffff888018f77000 R13=00000000000f4240 R14=ffff888018f77000 R15=dffffc0000000000 RIP=ffffffff816e3fd3 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 00007f5113e8a900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe101f4000 CR3=000000000dcd2000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000