syzkaller login: [ 45.994206] ------------[ cut here ]------------ [ 45.995278] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.997726] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 45.999538] Modules linked in: [ 46.000192] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.002567] Tainted: [W]=WARN [ 46.003206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.004868] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.005951] 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 [ 46.009533] RSP: 0018:ffff88801708fbc0 EFLAGS: 00010286 [ 46.010613] RAX: 0000000000000000 RBX: ffffed1002e11f78 RCX: ffffffff813a4050 [ 46.012185] RDX: ffff88800f4a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.013682] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e11f2f [ 46.015246] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.016730] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801708fdf8 [ 46.018196] FS: 00007f454aff4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.019919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.021264] CR2: 00007f454b4e6580 CR3: 000000000ffd5000 CR4: 0000000000350ef0 [ 46.022866] Call Trace: [ 46.023428] [ 46.023891] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.024872] ? __create_object+0x59/0x80 [ 46.025723] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.026803] __vmalloc_noprof+0x59/0x60 [ 46.027629] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.028581] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.029587] bpf_prog_alloc+0x39/0x200 [ 46.030383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.031421] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.032422] do_seccomp+0x349/0x25e0 [ 46.033167] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.034149] ? __pfx_do_seccomp+0x10/0x10 [ 46.035033] ? find_held_lock+0x2b/0x80 [ 46.035870] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.036915] ? static_key_count+0x60/0x80 [ 46.037887] prctl_set_seccomp+0x4e/0x70 [ 46.038747] __do_sys_prctl+0xe6c/0x1d70 [ 46.039587] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.040496] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.041561] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.042591] ? irqentry_exit+0xf3/0x650 [ 46.043529] do_syscall_64+0xbf/0x430 [ 46.044508] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.045668] RIP: 0033:0x7f454b4e65cd [ 46.046423] 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 [ 46.050214] RSP: 002b:00007ffc0a554870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.051746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f454b4e65cd [ 46.053141] RDX: 0000563b988bde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.054528] RBP: 00007ffc0a5548d0 R08: 0000000000000000 R09: 00007ffc0a553f70 [ 46.055943] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563bb7369240 [ 46.057336] R13: 00007ffc0a554d00 R14: 0000563bb7372380 R15: 0000563bb737d540 [ 46.058753] [ 46.059208] irq event stamp: 3363 [ 46.059908] hardirqs last enabled at (3373): [] __up_console_sem+0x78/0x80 [ 46.061553] hardirqs last disabled at (3382): [] __up_console_sem+0x5d/0x80 [ 46.063207] softirqs last enabled at (3254): [] handle_softirqs+0x50c/0x770 [ 46.064654] softirqs last disabled at (3247): [] __irq_exit_rcu+0xc4/0x100 [ 46.066049] ---[ end trace 0000000000000000 ]--- [ 49.275182] ------------[ cut here ]------------ [ 49.276159] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.278204] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.279697] Modules linked in: [ 49.280286] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.282291] Tainted: [W]=WARN [ 49.282902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.284591] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.285586] 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 [ 49.288763] RSP: 0018:ffff88801734fbc0 EFLAGS: 00010286 [ 49.289735] RAX: 0000000000000000 RBX: ffffed1002e69f78 RCX: ffffffff813a4050 [ 49.291022] RDX: ffff888015eb5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.292315] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e69f2f [ 49.293596] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.294888] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801734fdf8 [ 49.296166] FS: 00007fbff1662900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.297610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.298668] CR2: 00007fbff1b54580 CR3: 000000000f6dc000 CR4: 0000000000350ef0 [ 49.299958] Call Trace: [ 49.300461] [ 49.300875] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.302065] ? __create_object+0x59/0x80 [ 49.302880] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.303854] __vmalloc_noprof+0x59/0x60 [ 49.304618] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.305493] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.306421] bpf_prog_alloc+0x39/0x200 [ 49.307126] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.308047] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.308951] do_seccomp+0x349/0x25e0 [ 49.309665] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.310565] ? __pfx_do_seccomp+0x10/0x10 [ 49.311360] ? find_held_lock+0x2b/0x80 [ 49.312071] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.313029] ? static_key_count+0x60/0x80 [ 49.313826] prctl_set_seccomp+0x4e/0x70 [ 49.314597] __do_sys_prctl+0xe6c/0x1d70 [ 49.315389] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.316204] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.317168] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.318133] ? irqentry_exit+0xf3/0x650 [ 49.318913] do_syscall_64+0xbf/0x430 [ 49.319648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.320597] RIP: 0033:0x7fbff1b545cd [ 49.321258] 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 [ 49.324451] RSP: 002b:00007ffe6a848be0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.325808] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbff1b545cd [ 49.327111] RDX: 0000564446663e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.328389] RBP: 00007ffe6a848c40 R08: 0000000000000000 R09: 00007ffe6a8482e0 [ 49.329665] R10: 0000000000000000 R11: 0000000000000246 R12: 000056444c5412b0 [ 49.330952] R13: 00007ffe6a849070 R14: 000056444c543d20 R15: 000056444c5558d0 [ 49.332245] [ 49.332707] irq event stamp: 1813 [ 49.333347] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 49.334878] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 49.336400] softirqs last enabled at (1846): [] handle_softirqs+0x50c/0x770 [ 49.337930] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 49.339441] ---[ end trace 0000000000000000 ]--- [ 50.157950] ------------[ cut here ]------------ [ 50.158874] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.160862] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.162286] Modules linked in: [ 50.162909] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.164896] Tainted: [W]=WARN [ 50.165498] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.166995] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.167911] 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 [ 50.171064] RSP: 0018:ffff88801a74fbc0 EFLAGS: 00010286 [ 50.172036] RAX: 0000000000000000 RBX: ffffed10034e9f78 RCX: ffffffff813a4050 [ 50.173324] RDX: ffff888015ca8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.174593] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034e9f2f [ 50.175881] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.177170] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a74fdf8 [ 50.178461] FS: 00007f1752aa8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.179888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.180926] CR2: 00007ffc86826ef7 CR3: 000000000c28f000 CR4: 0000000000350ef0 [ 50.182207] Call Trace: [ 50.182705] [ 50.183123] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.184009] ? __create_object+0x59/0x80 [ 50.184779] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.185746] __vmalloc_noprof+0x59/0x60 [ 50.186492] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.187359] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.188250] bpf_prog_alloc+0x39/0x200 [ 50.188978] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.189893] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.190789] do_seccomp+0x349/0x25e0 [ 50.191499] ? find_held_lock+0x2b/0x80 [ 50.192213] ? do_prlimit+0x310/0x610 [ 50.192952] ? __pfx_do_seccomp+0x10/0x10 [ 50.193731] ? do_raw_spin_unlock+0x53/0x220 [ 50.194560] ? _raw_spin_unlock+0x1e/0x40 [ 50.195356] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.196280] ? static_key_count+0x60/0x80 [ 50.197075] prctl_set_seccomp+0x4e/0x70 [ 50.197898] __do_sys_prctl+0xe6c/0x1d70 [ 50.198681] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.199557] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.200523] ? irqentry_exit+0xf3/0x650 [ 50.201235] do_syscall_64+0xbf/0x430 [ 50.201965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.202915] RIP: 0033:0x7f1752f9a5cd [ 50.203628] 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 [ 50.206811] RSP: 002b:00007ffc868248e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.208165] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1752f9a5cd [ 50.209424] RDX: 000055c03a781e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.210725] RBP: 00007ffc86824940 R08: 0000000000000000 R09: 00007ffc86823fe0 [ 50.212012] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c065f53ad0 [ 50.213276] R13: 00007ffc86824d70 R14: 000055c065f54bc0 R15: 000055c065f65780 [ 50.214625] [ 50.215059] irq event stamp: 1775 [ 50.215714] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 50.217215] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 50.218740] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 50.220288] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 50.221814] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63673' (ECDSA) to the list of known hosts. 2025/11/18 13:30:01 fuzzer started 2025/11/18 13:30:01 dialing manager at localhost:34383 2025/11/18 13:30:02 checking machine... 2025/11/18 13:30:02 checking revisions... [ 51.071024] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:30:02 testing simple program... [ 51.139220] cgroup: Unknown subsys name 'net' [ 51.176929] cgroup: Unknown subsys name 'cpuset' [ 51.188202] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 59.639937] audit: type=1400 audit(1763472610.713:7): avc: denied { execmem } for pid=276 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: 13:30:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888013f45c40 RCX=0000000000000000 RDX=0000000000000002 RSI=0000000000000001 RDI=ffff888013f45c78 RBP=ffffffff854025c0 RSP=ffff88801708fd88 R8 =0000000000000003 R9 =0000000000000000 R10=ffff88801708fdb8 R11=0000000000000001 R12=ffffffff8899aaa0 R13=0000000000000000 R14=1ffff11002e11fcf R15=0000000000000000 RIP=ffffffff814f5963 RFL=00000246 [---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 00007fbff1662900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe6a842000 CR3=000000000d31d000 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 info registers vcpu 1 RAX=000000000002bfdf RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffedca91328 CR3=00000000173f1000 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=2b460e55bbd0eebe8140b5a14002aaee XMM02=ec2efd57dc4c00df0000000000301b48 XMM03=5c074409d66ddd0b0000000000301c18 XMM04=44514e4979eb02ea00000000000ae988 XMM05=ed63fb3d3418fbd5000000000031e708 XMM06=474038aa6c007e1f000000000031d438 XMM07=e042d86d42eb936e000000000030daa8 XMM08=5c074409d66ddd0b0000000000301c18 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000