Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.051577] ------------[ cut here ]------------ [ 39.052579] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.054714] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.056993] Modules linked in: [ 39.057608] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.059698] Tainted: [W]=WARN [ 39.060316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.061883] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.062852] 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 [ 39.066194] RSP: 0018:ffff888015c2fbc0 EFLAGS: 00010286 [ 39.067241] RAX: 0000000000000000 RBX: ffffed1002b85f78 RCX: ffffffff813a4050 [ 39.068587] RDX: ffff88801766d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.069742] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b85f2f [ 39.070818] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.071892] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c2fdf8 [ 39.072990] FS: 00007f8fc9fc4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.074174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.075054] CR2: 00007f8fca4b6580 CR3: 000000000e193000 CR4: 0000000000350ef0 [ 39.076120] Call Trace: [ 39.076507] [ 39.076928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.077696] ? __create_object+0x59/0x80 [ 39.078477] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.079429] __vmalloc_noprof+0x59/0x60 [ 39.080183] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.081091] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.082013] bpf_prog_alloc+0x39/0x200 [ 39.082701] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.083620] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.084515] do_seccomp+0x349/0x25e0 [ 39.085265] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.086157] ? __pfx_do_seccomp+0x10/0x10 [ 39.086941] ? find_held_lock+0x2b/0x80 [ 39.087654] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.088594] ? static_key_count+0x60/0x80 [ 39.089422] prctl_set_seccomp+0x4e/0x70 [ 39.090187] __do_sys_prctl+0xe6c/0x1d70 [ 39.090970] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.091779] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.092743] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.093747] ? irqentry_exit+0xf3/0x650 [ 39.094502] do_syscall_64+0xbf/0x430 [ 39.095234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.096177] RIP: 0033:0x7f8fca4b65cd [ 39.096905] 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 [ 39.100031] RSP: 002b:00007ffc311b8900 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.101412] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fca4b65cd [ 39.102676] RDX: 00005571c150ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.103934] RBP: 00007ffc311b8960 R08: 0000000000000000 R09: 00007ffc311b8000 [ 39.105240] R10: 0000000000000000 R11: 0000000000000246 R12: 00005571e12d7240 [ 39.106506] R13: 00007ffc311b8d90 R14: 00005571e12d6bf0 R15: 00005571e12eb4d0 [ 39.107776] [ 39.108230] irq event stamp: 1767 [ 39.108920] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 39.110417] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 39.111922] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 39.113474] softirqs last disabled at (1605): [] __irq_exit_rcu+0xc4/0x100 [ 39.114964] ---[ end trace 0000000000000000 ]--- [ 42.326053] ------------[ cut here ]------------ [ 42.326955] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.328972] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.330434] Modules linked in: [ 42.331057] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.333275] Tainted: [W]=WARN [ 42.333941] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.335427] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.336335] 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 [ 42.339532] RSP: 0018:ffff88801771fbc0 EFLAGS: 00010286 [ 42.340502] RAX: 0000000000000000 RBX: ffffed1002ee3f78 RCX: ffffffff813a4050 [ 42.341785] RDX: ffff888016ea5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.343090] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee3f2f [ 42.344374] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.345667] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801771fdf8 [ 42.346938] FS: 00007fd0aa7a5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.348369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.349439] CR2: 00007fd0aac97580 CR3: 000000000dcb8000 CR4: 0000000000350ef0 [ 42.350703] Call Trace: [ 42.351208] [ 42.351627] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.352520] ? __create_object+0x59/0x80 [ 42.353306] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.354273] __vmalloc_noprof+0x59/0x60 [ 42.355032] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.355894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.356844] bpf_prog_alloc+0x39/0x200 [ 42.357547] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.358481] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.359370] do_seccomp+0x349/0x25e0 [ 42.360093] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.361008] ? __pfx_do_seccomp+0x10/0x10 [ 42.361755] ? find_held_lock+0x2b/0x80 [ 42.362514] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.363462] ? static_key_count+0x60/0x80 [ 42.364260] prctl_set_seccomp+0x4e/0x70 [ 42.365060] __do_sys_prctl+0xe6c/0x1d70 [ 42.365792] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.366653] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.367608] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.368580] ? irqentry_exit+0xf3/0x650 [ 42.369363] do_syscall_64+0xbf/0x430 [ 42.370101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.371064] RIP: 0033:0x7fd0aac975cd [ 42.371717] 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 [ 42.374863] RSP: 002b:00007fff13c3f790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.376217] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0aac975cd [ 42.377518] RDX: 000055a3f0fb8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.378590] RBP: 00007fff13c3f7f0 R08: 0000000000000000 R09: 00007fff13c3ee90 [ 42.379656] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a415881b10 [ 42.380722] R13: 00007fff13c3fc20 R14: 000055a4158822b0 R15: 000055a4158966f0 [ 42.381827] [ 42.382182] irq event stamp: 1909 [ 42.382687] hardirqs last enabled at (1917): [] __up_console_sem+0x78/0x80 [ 42.383952] hardirqs last disabled at (1926): [] __up_console_sem+0x5d/0x80 [ 42.385240] softirqs last enabled at (1812): [] handle_softirqs+0x50c/0x770 [ 42.386520] softirqs last disabled at (1807): [] __irq_exit_rcu+0xc4/0x100 [ 42.387777] ---[ end trace 0000000000000000 ]--- [ 43.181100] ------------[ cut here ]------------ [ 43.182057] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.184037] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.185526] Modules linked in: [ 43.186152] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.188130] Tainted: [W]=WARN [ 43.188689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.190129] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.191052] 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 [ 43.194197] RSP: 0018:ffff888017067bc0 EFLAGS: 00010286 [ 43.195173] RAX: 0000000000000000 RBX: ffffed1002e0cf78 RCX: ffffffff813a4050 [ 43.196430] RDX: ffff8880177c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.197708] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e0cf2f [ 43.198967] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.200247] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017067df8 [ 43.201507] FS: 00007fc067393900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.202916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.203984] CR2: 00007fc067885580 CR3: 000000001f74a000 CR4: 0000000000350ef0 [ 43.205268] Call Trace: [ 43.205726] [ 43.206168] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.207052] ? __create_object+0x59/0x80 [ 43.207770] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.208734] __vmalloc_noprof+0x59/0x60 [ 43.209490] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.210348] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.211271] bpf_prog_alloc+0x39/0x200 [ 43.212016] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.212930] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.213839] do_seccomp+0x349/0x25e0 [ 43.214510] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.215396] ? __pfx_do_seccomp+0x10/0x10 [ 43.216175] ? find_held_lock+0x2b/0x80 [ 43.216935] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.217916] ? static_key_count+0x60/0x80 [ 43.218664] prctl_set_seccomp+0x4e/0x70 [ 43.219437] __do_sys_prctl+0xe6c/0x1d70 [ 43.220228] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.221093] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.222061] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.223022] ? irqentry_exit+0xf3/0x650 [ 43.223750] do_syscall_64+0xbf/0x430 [ 43.224493] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.225465] RIP: 0033:0x7fc0678855cd [ 43.226167] 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 [ 43.229345] RSP: 002b:00007ffc4d5810d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.230711] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0678855cd [ 43.231987] RDX: 000055a6939b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.233280] RBP: 00007ffc4d581130 R08: 0000000000000000 R09: 00007ffc4d5807d0 [ 43.234571] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a6bd0aaad0 [ 43.235837] R13: 00007ffc4d581560 R14: 000055a6bd0abbc0 R15: 000055a6bd0bc780 [ 43.237150] [ 43.237582] irq event stamp: 1729 [ 43.238223] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 43.239711] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 43.241247] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 43.242756] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 43.244259] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59732' (ECDSA) to the list of known hosts. 2025/11/18 16:23:42 fuzzer started 2025/11/18 16:23:42 dialing manager at localhost:34383 2025/11/18 16:23:42 checking machine... 2025/11/18 16:23:42 checking revisions... [ 44.156435] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:23:42 testing simple program... [ 44.237222] cgroup: Unknown subsys name 'net' [ 44.300695] cgroup: Unknown subsys name 'cpuset' [ 44.320346] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:23:41 Registers: info registers vcpu 0 RAX=ffffed1002bf4f17 RBX=ffffed1002bf4f17 RCX=ffffffff8136096e RDX=ffffed1002bf4f17 RSI=0000000000000070 RDI=ffff888015fa7848 RBP=ffffed1002bf4f09 RSP=ffff888015fa77b8 R8 =0000000000000001 R9 =ffffed1002bf4f16 R10=ffff888015fa78b7 R11=0000000000000001 R12=0000000000000070 R13=0000000000000000 R14=ffff888016731bc0 R15=ffff888015fa7848 RIP=ffffffff81b2d1cc 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 00007fd0aa7a5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd0aad5c618 CR3=000000001fc0e000 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=dffffc0000000000 RBX=ffff8880e548f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff8880097576f8 R8 =0000000000000000 R9 =0000000000000000 R10=ffff888009757840 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888009757840 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1bc7a20000 CR3=000000000e8eb000 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=33323a363120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343534 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000