[ 38.820340] ------------[ cut here ]------------ [ 38.820747] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.821728] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.822390] Modules linked in: [ 38.822661] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.823572] Tainted: [W]=WARN [ 38.823821] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.824501] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.824894] 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 [ 38.826434] RSP: 0018:ffff888015adfbc0 EFLAGS: 00010286 [ 38.826865] RAX: 0000000000000000 RBX: ffffed1002b5bf78 RCX: ffffffff813a4050 [ 38.827453] RDX: ffff888009d65340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.828020] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b5bf2f [ 38.828610] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.829207] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015adfdf8 [ 38.829775] FS: 00007fdc11e95900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.830433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.830894] CR2: 00007fdc12387580 CR3: 000000000bdb8000 CR4: 0000000000350ef0 [ 38.831483] Call Trace: [ 38.831697] [ 38.831882] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.832306] ? __create_object+0x59/0x80 [ 38.832641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.833064] __vmalloc_noprof+0x59/0x60 [ 38.833409] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.833786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.834212] bpf_prog_alloc+0x39/0x200 [ 38.834528] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.834933] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.835354] do_seccomp+0x349/0x25e0 [ 38.835661] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.836048] ? __pfx_do_seccomp+0x10/0x10 [ 38.836421] ? find_held_lock+0x2b/0x80 [ 38.836751] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.837188] ? static_key_count+0x60/0x80 [ 38.837533] prctl_set_seccomp+0x4e/0x70 [ 38.837863] __do_sys_prctl+0xe6c/0x1d70 [ 38.838232] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.838601] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.839016] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.839459] ? irqentry_exit+0xf3/0x650 [ 38.839791] do_syscall_64+0xbf/0x430 [ 38.840107] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.840542] RIP: 0033:0x7fdc123875cd [ 38.840846] 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 [ 38.842303] RSP: 002b:00007ffcb9110d80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.842905] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc123875cd [ 38.843490] RDX: 000055b4b4c42e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.844051] RBP: 00007ffcb9110de0 R08: 0000000000000000 R09: 00007ffcb9110480 [ 38.844639] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b4ed466ad0 [ 38.845229] R13: 00007ffcb9111210 R14: 000055b4ed467bc0 R15: 000055b4ed478780 [ 38.845800] [ 38.845991] irq event stamp: 1727 [ 38.846295] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 38.846970] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 38.847664] softirqs last enabled at (1332): [] handle_softirqs+0x50c/0x770 [ 38.848385] softirqs last disabled at (1299): [] __irq_exit_rcu+0xc4/0x100 [ 38.849055] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.170328] ------------[ cut here ]------------ [ 41.171253] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.173304] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.174778] Modules linked in: [ 41.175408] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.177401] Tainted: [W]=WARN [ 41.177960] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.179433] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.180349] 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 [ 41.183515] RSP: 0018:ffff88801672fbc0 EFLAGS: 00010286 [ 41.184510] RAX: 0000000000000000 RBX: ffffed1002ce5f78 RCX: ffffffff813a4050 [ 41.185801] RDX: ffff888017975340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.187078] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce5f2f [ 41.188368] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.189653] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801672fdf8 [ 41.190957] FS: 00007f93c45b1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.192420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.193502] CR2: 00007f93c4aa3580 CR3: 0000000020473000 CR4: 0000000000350ef0 [ 41.194804] Call Trace: [ 41.195306] [ 41.195716] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.196628] ? __create_object+0x59/0x80 [ 41.197417] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.198387] __vmalloc_noprof+0x59/0x60 [ 41.199112] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.200002] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.200953] bpf_prog_alloc+0x39/0x200 [ 41.201720] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.202667] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.203572] do_seccomp+0x349/0x25e0 [ 41.204322] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.205235] ? __pfx_do_seccomp+0x10/0x10 [ 41.205978] ? find_held_lock+0x2b/0x80 [ 41.206741] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.207732] ? static_key_count+0x60/0x80 [ 41.208558] prctl_set_seccomp+0x4e/0x70 [ 41.209336] __do_sys_prctl+0xe6c/0x1d70 [ 41.210092] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.210975] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.211950] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.212942] ? irqentry_exit+0xf3/0x650 [ 41.213731] do_syscall_64+0xbf/0x430 [ 41.214501] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.215465] RIP: 0033:0x7f93c4aa35cd [ 41.216124] 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 [ 41.219347] RSP: 002b:00007ffcb5b1e830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.220735] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93c4aa35cd [ 41.222022] RDX: 0000561491504e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.223306] RBP: 00007ffcb5b1e890 R08: 0000000000000000 R09: 00007ffcb5b1df30 [ 41.224600] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614923c1b10 [ 41.225880] R13: 00007ffcb5b1ecc0 R14: 00005614923c22b0 R15: 00005614923d66f0 [ 41.227190] [ 41.227615] irq event stamp: 1749 [ 41.228282] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 41.229845] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 41.231378] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 41.232933] softirqs last disabled at (1593): [] __irq_exit_rcu+0xc4/0x100 [ 41.234439] ---[ end trace 0000000000000000 ]--- [ 42.021511] ------------[ cut here ]------------ [ 42.022466] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.024533] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.026057] Modules linked in: [ 42.026708] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.028737] Tainted: [W]=WARN [ 42.029357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.030853] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.031777] 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 [ 42.034982] RSP: 0018:ffff8880166bfbc0 EFLAGS: 00010286 [ 42.035978] RAX: 0000000000000000 RBX: ffffed1002cd7f78 RCX: ffffffff813a4050 [ 42.037297] RDX: ffff888017973780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.038574] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cd7f2f [ 42.039871] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.041178] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166bfdf8 [ 42.042487] FS: 00007f1114d0b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.043944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.045025] CR2: 00007fff5014fef8 CR3: 000000000bdcd000 CR4: 0000000000350ef0 [ 42.046325] Call Trace: [ 42.046807] [ 42.047267] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.048191] ? __create_object+0x59/0x80 [ 42.048943] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.049928] __vmalloc_noprof+0x59/0x60 [ 42.050694] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.051552] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.052502] bpf_prog_alloc+0x39/0x200 [ 42.053256] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.054206] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.055075] do_seccomp+0x349/0x25e0 [ 42.055801] ? find_held_lock+0x2b/0x80 [ 42.056576] ? do_prlimit+0x310/0x610 [ 42.057318] ? __pfx_do_seccomp+0x10/0x10 [ 42.058068] ? do_raw_spin_unlock+0x53/0x220 [ 42.058910] ? _raw_spin_unlock+0x1e/0x40 [ 42.059690] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.060670] ? static_key_count+0x60/0x80 [ 42.061477] prctl_set_seccomp+0x4e/0x70 [ 42.062262] __do_sys_prctl+0xe6c/0x1d70 [ 42.063007] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.063856] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.064857] ? irqentry_exit+0xf3/0x650 [ 42.065620] do_syscall_64+0xbf/0x430 [ 42.066370] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.067325] RIP: 0033:0x7f11151fd5cd [ 42.067985] 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 [ 42.071155] RSP: 002b:00007fff5014e880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.072538] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11151fd5cd [ 42.073812] RDX: 000056000c92ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.075103] RBP: 00007fff5014e8e0 R08: 0000000000000000 R09: 00007fff5014df80 [ 42.076431] R10: 0000000000000000 R11: 0000000000000246 R12: 00005600206942b0 [ 42.077728] R13: 00007fff5014ed10 R14: 0000560020696d20 R15: 00005600206a88d0 [ 42.079042] [ 42.079536] irq event stamp: 1791 [ 42.080192] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.081743] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.083276] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 42.084844] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 42.086366] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2372' (ECDSA) to the list of known hosts. 2025/11/18 06:04:11 fuzzer started 2025/11/18 06:04:11 dialing manager at localhost:37895 2025/11/18 06:04:11 checking machine... 2025/11/18 06:04:11 checking revisions... [ 43.003957] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:04:12 testing simple program... [ 43.090782] cgroup: Unknown subsys name 'net' [ 43.162876] cgroup: Unknown subsys name 'cpuset' [ 43.199781] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:04:11 Registers: info registers vcpu 0 RAX=0000000000022000 RBX=ffff888015ebb780 RCX=0000000000000001 RDX=0000000000022005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888015ebc1d8 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888015ebc228 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270cc RFL=00000006 [-----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 00007f93c45b1900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f93c4590020 CR3=000000000fc42000 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=0000000000023053 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9e3ebcb528 CR3=000000000fc94000 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=34303a363020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363730 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000