syzkaller login: [ 39.223643] ------------[ cut here ]------------ [ 39.224391] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.226117] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.227353] Modules linked in: [ 39.227877] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.229569] Tainted: [W]=WARN [ 39.230029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.231242] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.231997] 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 [ 39.234676] RSP: 0018:ffff888016197bc0 EFLAGS: 00010286 [ 39.235458] RAX: 0000000000000000 RBX: ffffed1002c32f78 RCX: ffffffff813a4050 [ 39.236546] RDX: ffff888019d93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.237641] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c32f2f [ 39.238727] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.239785] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016197df8 [ 39.240861] FS: 00007f06fd1f7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.242085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.242974] CR2: 00007ffc9356eef7 CR3: 000000000e483000 CR4: 0000000000350ef0 [ 39.244063] Call Trace: [ 39.244445] [ 39.244820] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.245572] ? __create_object+0x59/0x80 [ 39.246186] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.247013] __vmalloc_noprof+0x59/0x60 [ 39.247650] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.248353] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.249133] bpf_prog_alloc+0x39/0x200 [ 39.249744] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.250469] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.251211] do_seccomp+0x349/0x25e0 [ 39.251799] ? find_held_lock+0x2b/0x80 [ 39.252391] ? do_prlimit+0x310/0x610 [ 39.252998] ? __pfx_do_seccomp+0x10/0x10 [ 39.253656] ? do_raw_spin_unlock+0x53/0x220 [ 39.254308] ? _raw_spin_unlock+0x1e/0x40 [ 39.254952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.255756] ? static_key_count+0x60/0x80 [ 39.256382] prctl_set_seccomp+0x4e/0x70 [ 39.257017] __do_sys_prctl+0xe6c/0x1d70 [ 39.257665] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.258332] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.259130] ? irqentry_exit+0xf3/0x650 [ 39.259764] do_syscall_64+0xbf/0x430 [ 39.260342] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.261127] RIP: 0033:0x7f06fd6e95cd [ 39.261716] 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 [ 39.264329] RSP: 002b:00007ffc9356dc50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.265461] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06fd6e95cd [ 39.266516] RDX: 00005588768d6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.267586] RBP: 00007ffc9356dcb0 R08: 0000000000000000 R09: 00007ffc9356d350 [ 39.268634] R10: 0000000000000000 R11: 0000000000000246 R12: 00005588838d42b0 [ 39.269702] R13: 00007ffc9356e0e0 R14: 00005588838d6d20 R15: 00005588838e88d0 [ 39.270784] [ 39.271136] irq event stamp: 3249 [ 39.271671] hardirqs last enabled at (3259): [] __up_console_sem+0x78/0x80 [ 39.272929] hardirqs last disabled at (3268): [] __up_console_sem+0x5d/0x80 [ 39.274197] softirqs last enabled at (3238): [] handle_softirqs+0x50c/0x770 [ 39.275469] softirqs last disabled at (3229): [] __irq_exit_rcu+0xc4/0x100 [ 39.276719] ---[ end trace 0000000000000000 ]--- [ 42.774141] ------------[ cut here ]------------ [ 42.774957] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.776834] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.778460] Modules linked in: [ 42.779233] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.781357] Tainted: [W]=WARN [ 42.782066] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.783617] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.784678] 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 [ 42.787769] RSP: 0018:ffff8880162a7bc0 EFLAGS: 00010286 [ 42.788885] RAX: 0000000000000000 RBX: ffffed1002c54f78 RCX: ffffffff813a4050 [ 42.790312] RDX: ffff888019d90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.791518] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c54f2f [ 42.793007] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.794238] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162a7df8 [ 42.795698] FS: 00007f772c14c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.797246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.798272] CR2: 00007fff35845ef7 CR3: 000000001e970000 CR4: 0000000000350ef0 [ 42.799724] Call Trace: [ 42.800255] [ 42.800781] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.801822] ? __create_object+0x59/0x80 [ 42.802712] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.803822] __vmalloc_noprof+0x59/0x60 [ 42.804681] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.805692] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.806750] bpf_prog_alloc+0x39/0x200 [ 42.807614] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.808680] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.809622] do_seccomp+0x349/0x25e0 [ 42.810397] ? find_held_lock+0x2b/0x80 [ 42.811275] ? do_prlimit+0x310/0x610 [ 42.812136] ? __pfx_do_seccomp+0x10/0x10 [ 42.813044] ? do_raw_spin_unlock+0x53/0x220 [ 42.814010] ? _raw_spin_unlock+0x1e/0x40 [ 42.814905] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.816004] ? static_key_count+0x60/0x80 [ 42.816925] prctl_set_seccomp+0x4e/0x70 [ 42.817838] __do_sys_prctl+0xe6c/0x1d70 [ 42.818752] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.819764] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.820906] ? irqentry_exit+0xf3/0x650 [ 42.821722] do_syscall_64+0xbf/0x430 [ 42.822525] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.823668] RIP: 0033:0x7f772c63e5cd [ 42.824418] 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 [ 42.827402] RSP: 002b:00007fff35843970 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.828958] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f772c63e5cd [ 42.830391] RDX: 00005644d17dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.831616] RBP: 00007fff358439d0 R08: 0000000000000000 R09: 00007fff35843070 [ 42.833075] R10: 0000000000000000 R11: 0000000000000246 R12: 00005644eabb4240 [ 42.834561] R13: 00007fff35843e00 R14: 00005644eabb3bf0 R15: 00005644eabc84d0 [ 42.836067] [ 42.836479] irq event stamp: 1711 [ 42.837117] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.838874] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 42.840488] softirqs last enabled at (1566): [] handle_softirqs+0x50c/0x770 [ 42.842226] softirqs last disabled at (1559): [] __irq_exit_rcu+0xc4/0x100 [ 42.843639] ---[ end trace 0000000000000000 ]--- [ 43.675721] ------------[ cut here ]------------ [ 43.676467] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.678264] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.679494] Modules linked in: [ 43.680043] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.681735] Tainted: [W]=WARN [ 43.682207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.683449] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.684224] 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 [ 43.686891] RSP: 0018:ffff888019c9fbc0 EFLAGS: 00010286 [ 43.687737] RAX: 0000000000000000 RBX: ffffed1003393f78 RCX: ffffffff813a4050 [ 43.688823] RDX: ffff888016fe5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.689914] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003393f2f [ 43.690985] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.692077] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c9fdf8 [ 43.693164] FS: 00007f238c63e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.694370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.695268] CR2: 00007fff6df4aef7 CR3: 000000000b941000 CR4: 0000000000350ef0 [ 43.696376] Call Trace: [ 43.696790] [ 43.697129] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.697889] ? __create_object+0x59/0x80 [ 43.698507] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.699316] __vmalloc_noprof+0x59/0x60 [ 43.699942] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.700695] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.701439] bpf_prog_alloc+0x39/0x200 [ 43.702056] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.702831] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.703566] do_seccomp+0x349/0x25e0 [ 43.704123] ? find_held_lock+0x2b/0x80 [ 43.704745] ? do_prlimit+0x310/0x610 [ 43.705326] ? __pfx_do_seccomp+0x10/0x10 [ 43.705979] ? do_raw_spin_unlock+0x53/0x220 [ 43.706690] ? _raw_spin_unlock+0x1e/0x40 [ 43.707319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.708116] ? static_key_count+0x60/0x80 [ 43.708794] prctl_set_seccomp+0x4e/0x70 [ 43.709422] __do_sys_prctl+0xe6c/0x1d70 [ 43.710078] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.710785] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.711588] ? irqentry_exit+0xf3/0x650 [ 43.712182] do_syscall_64+0xbf/0x430 [ 43.712788] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.713605] RIP: 0033:0x7f238cb305cd [ 43.714172] 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 [ 43.716828] RSP: 002b:00007fff6df486c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.717988] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f238cb305cd [ 43.719045] RDX: 000055bffe0ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.720095] RBP: 00007fff6df48720 R08: 0000000000000000 R09: 00007fff6df47dc0 [ 43.721152] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c01bae1ad0 [ 43.722211] R13: 00007fff6df48b50 R14: 000055c01bae2bc0 R15: 000055c01baf3780 [ 43.723324] [ 43.723714] irq event stamp: 1713 [ 43.724214] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 43.725493] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 43.726795] softirqs last enabled at (1456): [] handle_softirqs+0x50c/0x770 [ 43.728064] softirqs last disabled at (1449): [] __irq_exit_rcu+0xc4/0x100 [ 43.729307] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:50646' (ECDSA) to the list of known hosts. 2025/11/17 22:03:23 fuzzer started 2025/11/17 22:03:23 dialing manager at localhost:37895 2025/11/17 22:03:23 checking machine... 2025/11/17 22:03:23 checking revisions... [ 44.602935] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:03:23 testing simple program... [ 44.689976] cgroup: Unknown subsys name 'net' [ 44.748249] cgroup: Unknown subsys name 'cpuset' [ 44.761178] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 53.402265] audit: type=1400 audit(1763417012.670:7): avc: denied { execmem } for pid=277 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: 22:03:22 Registers: info registers vcpu 0 RAX=ffffffff889a0ba0 RBX=0000000000000000 RCX=ffffffff83ee4d35 RDX=0000000000000001 RSI=0000000000000004 RDI=ffffffff889a0ba0 RBP=ffff88801650d578 RSP=ffff88801656fd00 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000000 R11=0000000000000001 R12=ffff88801650d000 R13=0000000000000000 R14=0000000000000000 R15=ffff88801d065c00 RIP=ffffffff81b2cf12 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 00007f772c14c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f772c703618 CR3=000000001e9ff000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888009758001 RBX=ffff8880097577f0 RCX=0000000000000001 RDX=ffff888009757701 RSI=ffff8880097577e8 RDI=ffff888009757800 RBP=ffff8880097577e8 RSP=ffff8880097576f8 R8 =ffffffff86a014d8 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000006e2e R12=0000000000000008 R13=ffff888009750000 R14=ffff8880097577f0 R15=ffff8880097577f0 RIP=ffffffff8135e2ad RFL=00000283 [--S---C] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2f7fc7d5d0 CR3=0000000017314000 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=32f101e1eacd5b1100000000000ae988 XMM05=c6afbc5c73771c12000000000031fbd0 XMM06=da634d014c8d8a8c000000000031e970 XMM07=fb795ef6d6577056000000000030df28 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000