Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.148987] ------------[ cut here ]------------ [ 39.149869] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.152063] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.153552] Modules linked in: [ 39.154190] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.156194] Tainted: [W]=WARN [ 39.156766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.158257] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.159185] 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 [ 39.162443] RSP: 0018:ffff88801646fbc0 EFLAGS: 00010286 [ 39.163450] RAX: 0000000000000000 RBX: ffffed1002c8df78 RCX: ffffffff813a4050 [ 39.164785] RDX: ffff888016443780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.166088] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c8df2f [ 39.167403] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.168689] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801646fdf8 [ 39.169999] FS: 00007f983cac3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.171489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.172562] CR2: 00007f983cfb5580 CR3: 000000000db9b000 CR4: 0000000000350ef0 [ 39.173906] Call Trace: [ 39.174395] [ 39.174815] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.175732] ? __create_object+0x59/0x80 [ 39.176527] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.177523] __vmalloc_noprof+0x59/0x60 [ 39.178321] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.179299] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.180322] bpf_prog_alloc+0x39/0x200 [ 39.181143] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.182171] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.183162] do_seccomp+0x349/0x25e0 [ 39.183950] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.184938] ? __pfx_do_seccomp+0x10/0x10 [ 39.185760] ? find_held_lock+0x2b/0x80 [ 39.186584] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.187620] ? static_key_count+0x60/0x80 [ 39.188481] prctl_set_seccomp+0x4e/0x70 [ 39.189314] __do_sys_prctl+0xe6c/0x1d70 [ 39.190193] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.191131] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.192178] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.193225] ? irqentry_exit+0xf3/0x650 [ 39.194085] do_syscall_64+0xbf/0x430 [ 39.194831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.195868] RIP: 0033:0x7f983cfb55cd [ 39.196614] 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 [ 39.200052] RSP: 002b:00007ffe159ab6f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.201564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f983cfb55cd [ 39.202949] RDX: 0000555cd66f6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.204333] RBP: 00007ffe159ab750 R08: 0000000000000000 R09: 00007ffe159aadf0 [ 39.205742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555cec3f7bf0 [ 39.207144] R13: 00007ffe159abb80 R14: 0000555cec401380 R15: 0000555cec40c460 [ 39.208557] [ 39.209054] irq event stamp: 1755 [ 39.209728] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 39.211381] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 39.213034] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 39.214726] softirqs last disabled at (1633): [] __irq_exit_rcu+0xc4/0x100 [ 39.216376] ---[ end trace 0000000000000000 ]--- [ 42.810755] ------------[ cut here ]------------ [ 42.811566] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.813276] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.814512] Modules linked in: [ 42.815165] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.817289] Tainted: [W]=WARN [ 42.817930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.819451] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.820437] 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 [ 42.823253] RSP: 0018:ffff88800a2dfbc0 EFLAGS: 00010286 [ 42.824077] RAX: 0000000000000000 RBX: ffffed100145bf78 RCX: ffffffff813a4050 [ 42.825176] RDX: ffff888018493780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.826269] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100145bf2f [ 42.827341] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.828404] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a2dfdf8 [ 42.829500] FS: 00007fd54d185900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.830716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.831619] CR2: 00007fd54d677580 CR3: 000000000b790000 CR4: 0000000000350ef0 [ 42.832708] Call Trace: [ 42.833142] [ 42.833503] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.834265] ? __create_object+0x59/0x80 [ 42.834913] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.835699] __vmalloc_noprof+0x59/0x60 [ 42.836345] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.837077] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.837837] bpf_prog_alloc+0x39/0x200 [ 42.838485] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.839274] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.840024] do_seccomp+0x349/0x25e0 [ 42.840605] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.841369] ? __pfx_do_seccomp+0x10/0x10 [ 42.842026] ? find_held_lock+0x2b/0x80 [ 42.842647] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.843463] ? static_key_count+0x60/0x80 [ 42.844134] prctl_set_seccomp+0x4e/0x70 [ 42.844738] __do_sys_prctl+0xe6c/0x1d70 [ 42.845410] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.846167] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.846969] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.847742] ? irqentry_exit+0xf3/0x650 [ 42.848390] do_syscall_64+0xbf/0x430 [ 42.849005] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.849786] RIP: 0033:0x7fd54d6775cd [ 42.850399] 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 [ 42.853044] RSP: 002b:00007fff38c66660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.854254] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd54d6775cd [ 42.855355] RDX: 00005596ac5e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.856431] RBP: 00007fff38c666c0 R08: 0000000000000000 R09: 00007fff38c65d60 [ 42.857521] R10: 0000000000000000 R11: 0000000000000246 R12: 00005596e68cabf0 [ 42.858603] R13: 00007fff38c66af0 R14: 00005596e68d4380 R15: 00005596e68df460 [ 42.859693] [ 42.860093] irq event stamp: 1689 [ 42.860616] hardirqs last enabled at (1697): [] __up_console_sem+0x78/0x80 [ 42.861927] hardirqs last disabled at (1716): [] __up_console_sem+0x5d/0x80 [ 42.863486] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 42.864803] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 42.866120] ---[ end trace 0000000000000000 ]--- [ 43.686557] ------------[ cut here ]------------ [ 43.687496] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.689520] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.691000] Modules linked in: [ 43.691599] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.693827] Tainted: [W]=WARN [ 43.694536] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.696027] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.696934] 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 [ 43.700157] RSP: 0018:ffff888016c5fbc0 EFLAGS: 00010286 [ 43.701148] RAX: 0000000000000000 RBX: ffffed1002d8bf78 RCX: ffffffff813a4050 [ 43.702458] RDX: ffff888016635340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.703762] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8bf2f [ 43.705062] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.706370] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c5fdf8 [ 43.707670] FS: 00007f6d8d53c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.709127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.710220] CR2: 00007ffcb25ecef7 CR3: 0000000010322000 CR4: 0000000000350ef0 [ 43.711526] Call Trace: [ 43.712041] [ 43.712459] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.713372] ? __create_object+0x59/0x80 [ 43.714181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.715165] __vmalloc_noprof+0x59/0x60 [ 43.715928] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.716771] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.717729] bpf_prog_alloc+0x39/0x200 [ 43.718486] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.719434] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.720351] do_seccomp+0x349/0x25e0 [ 43.721070] ? find_held_lock+0x2b/0x80 [ 43.721789] ? do_prlimit+0x310/0x610 [ 43.722522] ? __pfx_do_seccomp+0x10/0x10 [ 43.723296] ? do_raw_spin_unlock+0x53/0x220 [ 43.724116] ? _raw_spin_unlock+0x1e/0x40 [ 43.724835] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.725781] ? static_key_count+0x60/0x80 [ 43.726574] prctl_set_seccomp+0x4e/0x70 [ 43.727336] __do_sys_prctl+0xe6c/0x1d70 [ 43.728106] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.728951] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.729917] ? irqentry_exit+0xf3/0x650 [ 43.730643] do_syscall_64+0xbf/0x430 [ 43.731371] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.732309] RIP: 0033:0x7f6d8da2e5cd [ 43.732999] 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 [ 43.736153] RSP: 002b:00007ffcb25ead40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.737509] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d8da2e5cd [ 43.738785] RDX: 0000563b3fa39e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.740048] RBP: 00007ffcb25eada0 R08: 0000000000000000 R09: 00007ffcb25ea440 [ 43.741317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b71cf3ad0 [ 43.742589] R13: 00007ffcb25eb1d0 R14: 0000563b71cf4bc0 R15: 0000563b71d05780 [ 43.743872] [ 43.744323] irq event stamp: 1841 [ 43.744961] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 43.746483] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 43.747979] softirqs last enabled at (1482): [] handle_softirqs+0x50c/0x770 [ 43.749509] softirqs last disabled at (1477): [] __irq_exit_rcu+0xc4/0x100 [ 43.751005] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51026' (ECDSA) to the list of known hosts. 2025/11/18 03:34:36 fuzzer started 2025/11/18 03:34:36 dialing manager at localhost:37895 2025/11/18 03:34:36 checking machine... 2025/11/18 03:34:36 checking revisions... [ 44.602726] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:34:37 testing simple program... [ 44.683648] cgroup: Unknown subsys name 'net' [ 44.736826] cgroup: Unknown subsys name 'cpuset' [ 44.749596] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:34:36 Registers: info registers vcpu 0 RAX=0000000000012846 RBX=ffff88800d991b00 RCX=0000000000000004 RDX=0000000000000000 RSI=0000000000000020 RDI=ffffffff815d34d1 RBP=ffff88806ce08e10 RSP=ffff88806ce08db0 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000000 R12=ffffea0000268700 R13=ffff888009a1c140 R14=ffff888008c41780 R15=0000000000000000 RIP=ffffffff81aaf9ea RFL=00000286 [--S--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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fd54d185900 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=00007fd54dcd9044 CR3=000000001f353000 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=000000000000000000000000000000ff XMM02=9b82808daab99245afa972f8338ff82a XMM03=c6f942fec079843cca67ddb840d2bcc3 XMM04=15d5fedef1463b249c6c5c64bce71674 XMM05=000000000000000000000000000000ff XMM06=15d542dec0463b249c675c6440d21674 XMM07=672065736f6c635f6e6f69737365733a XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000351 RBX=ffff888019dd8000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888019dd8a80 RDI=ffff888019dd8a58 RBP=ffff888019dd8a58 RSP=ffff8880184d7cf0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888019dd8a80 R13=1c8ad87a50942e57 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000003 [------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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f02da761900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f02db19d008 CR3=000000001fc60000 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=0100ffffffffffffffff00ffffffffff XMM02=2e322e325f4342494c4700352e322e32 XMM03=0000000000000000004700352e322e32 XMM04=4342494c4700362e322e325f4342494c XMM05=00007f02dad1af6000007f02daed4950 XMM06=00007f02daed444000007f02daed3f20 XMM07=00007f02da81e12000007f02da81db10 XMM08=00007f02da81d5f000007f02da81d060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000