Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.557558] ------------[ cut here ]------------ [ 46.558451] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.560484] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.561943] Modules linked in: [ 46.562520] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.564498] Tainted: [W]=WARN [ 46.565104] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.566558] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.567456] 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 [ 46.570591] RSP: 0018:ffff888015937bc0 EFLAGS: 00010286 [ 46.571553] RAX: 0000000000000000 RBX: ffffed1002b26f78 RCX: ffffffff813a4050 [ 46.572820] RDX: ffff888019269bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.574093] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b26f2f [ 46.575355] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.576652] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015937df8 [ 46.577944] FS: 00007f4cdc2f1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.579356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.580412] CR2: 00007f4cdc7e3580 CR3: 000000000e2f2000 CR4: 0000000000350ef0 [ 46.581697] Call Trace: [ 46.582155] [ 46.582555] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.583444] ? __create_object+0x59/0x80 [ 46.584205] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.585174] __vmalloc_noprof+0x59/0x60 [ 46.585929] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.586787] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.587705] bpf_prog_alloc+0x39/0x200 [ 46.588399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.589348] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.590249] do_seccomp+0x349/0x25e0 [ 46.590980] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.591866] ? __pfx_do_seccomp+0x10/0x10 [ 46.592597] ? find_held_lock+0x2b/0x80 [ 46.593364] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.594325] ? static_key_count+0x60/0x80 [ 46.595122] prctl_set_seccomp+0x4e/0x70 [ 46.595887] __do_sys_prctl+0xe6c/0x1d70 [ 46.596678] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.597496] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.598446] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.599414] ? irqentry_exit+0xf3/0x650 [ 46.600175] do_syscall_64+0xbf/0x430 [ 46.600903] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.601865] RIP: 0033:0x7f4cdc7e35cd [ 46.602516] 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 [ 46.605685] RSP: 002b:00007ffe1d2d9080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.607036] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4cdc7e35cd [ 46.608300] RDX: 000055b5e9630e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.609593] RBP: 00007ffe1d2d90e0 R08: 0000000000000000 R09: 00007ffe1d2d8780 [ 46.610857] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b5fe4c1ad0 [ 46.612137] R13: 00007ffe1d2d9510 R14: 000055b5fe4c2bc0 R15: 000055b5fe4d3780 [ 46.613439] [ 46.613906] irq event stamp: 1733 [ 46.614511] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 46.616022] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 46.617536] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 46.619070] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 46.620567] ---[ end trace 0000000000000000 ]--- [ 50.250903] ------------[ cut here ]------------ [ 50.251822] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.253875] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 50.255337] Modules linked in: [ 50.256198] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.258278] Tainted: [W]=WARN [ 50.258918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.260398] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.261352] 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 [ 50.264573] RSP: 0018:ffff8880170ffbc0 EFLAGS: 00010286 [ 50.265576] RAX: 0000000000000000 RBX: ffffed1002e1ff78 RCX: ffffffff813a4050 [ 50.266856] RDX: ffff888015c1d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.268154] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e1ff2f [ 50.269448] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.270741] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170ffdf8 [ 50.272027] FS: 00007f3ba9174900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.273483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.274564] CR2: 00007f3ba9666580 CR3: 000000001fe22000 CR4: 0000000000350ef0 [ 50.275852] Call Trace: [ 50.276315] [ 50.276781] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.277692] ? __create_object+0x59/0x80 [ 50.278435] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.279418] __vmalloc_noprof+0x59/0x60 [ 50.280182] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.281083] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.282018] bpf_prog_alloc+0x39/0x200 [ 50.282756] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.283702] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.284559] do_seccomp+0x349/0x25e0 [ 50.285306] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.286199] ? __pfx_do_seccomp+0x10/0x10 [ 50.287003] ? find_held_lock+0x2b/0x80 [ 50.287766] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.288735] ? static_key_count+0x60/0x80 [ 50.289505] prctl_set_seccomp+0x4e/0x70 [ 50.290278] __do_sys_prctl+0xe6c/0x1d70 [ 50.291060] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.291914] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.292891] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.293888] ? irqentry_exit+0xf3/0x650 [ 50.294610] do_syscall_64+0xbf/0x430 [ 50.295349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.296310] RIP: 0033:0x7f3ba96665cd [ 50.297040] 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 [ 50.300193] RSP: 002b:00007ffc40b31b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.301582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ba96665cd [ 50.302865] RDX: 0000556bfecade00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.304140] RBP: 00007ffc40b31bc0 R08: 0000000000000000 R09: 00007ffc40b31260 [ 50.305419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c10b04ad0 [ 50.306699] R13: 00007ffc40b31ff0 R14: 0000556c10b05bc0 R15: 0000556c10b16780 [ 50.307990] [ 50.308415] irq event stamp: 1851 [ 50.309073] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 50.310590] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 50.312116] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 50.313655] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 50.315161] ---[ end trace 0000000000000000 ]--- [ 51.134573] ------------[ cut here ]------------ [ 51.135341] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.137064] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 51.138293] Modules linked in: [ 51.138849] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.140536] Tainted: [W]=WARN [ 51.141042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.142293] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.143083] 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 [ 51.145762] RSP: 0018:ffff888016affbc0 EFLAGS: 00010286 [ 51.146542] RAX: 0000000000000000 RBX: ffffed1002d5ff78 RCX: ffffffff813a4050 [ 51.147614] RDX: ffff8880158e8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.148702] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5ff2f [ 51.149783] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.150870] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016affdf8 [ 51.151939] FS: 00007f5a87bfa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.153157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.154040] CR2: 00007ffc5aaf3ef7 CR3: 000000001fed9000 CR4: 0000000000350ef0 [ 51.155115] Call Trace: [ 51.155501] [ 51.155871] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.156585] ? __create_object+0x59/0x80 [ 51.157259] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.158070] __vmalloc_noprof+0x59/0x60 [ 51.158719] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.159409] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.160193] bpf_prog_alloc+0x39/0x200 [ 51.160809] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.161550] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.162314] do_seccomp+0x349/0x25e0 [ 51.162923] ? find_held_lock+0x2b/0x80 [ 51.163526] ? do_prlimit+0x310/0x610 [ 51.164141] ? __pfx_do_seccomp+0x10/0x10 [ 51.164805] ? do_raw_spin_unlock+0x53/0x220 [ 51.165469] ? _raw_spin_unlock+0x1e/0x40 [ 51.166118] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.166935] ? static_key_count+0x60/0x80 [ 51.167576] prctl_set_seccomp+0x4e/0x70 [ 51.168224] __do_sys_prctl+0xe6c/0x1d70 [ 51.168880] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.169572] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.170379] ? irqentry_exit+0xf3/0x650 [ 51.171023] do_syscall_64+0xbf/0x430 [ 51.171609] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.172413] RIP: 0033:0x7f5a880ec5cd [ 51.173007] 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 [ 51.175685] RSP: 002b:00007ffc5aaf28f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.176832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a880ec5cd [ 51.177932] RDX: 0000559fedf0be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.179008] RBP: 00007ffc5aaf2950 R08: 0000000000000000 R09: 00007ffc5aaf1ff0 [ 51.180102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559ff70dabf0 [ 51.181197] R13: 00007ffc5aaf2d80 R14: 0000559ff70e4380 R15: 0000559ff70ef460 [ 51.182284] [ 51.182673] irq event stamp: 1689 [ 51.183190] hardirqs last enabled at (1697): [] __up_console_sem+0x78/0x80 [ 51.184474] hardirqs last disabled at (1706): [] __up_console_sem+0x5d/0x80 [ 51.185779] softirqs last enabled at (1432): [] handle_softirqs+0x50c/0x770 [ 51.187085] softirqs last disabled at (1427): [] __irq_exit_rcu+0xc4/0x100 [ 51.188353] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58371' (ECDSA) to the list of known hosts. 2025/11/18 03:32:58 fuzzer started 2025/11/18 03:32:58 dialing manager at localhost:37895 2025/11/18 03:32:58 checking machine... 2025/11/18 03:32:58 checking revisions... [ 52.119737] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:32:58 testing simple program... [ 52.203359] cgroup: Unknown subsys name 'net' [ 52.274298] cgroup: Unknown subsys name 'cpuset' [ 52.292108] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 03:32:57 Registers: info registers vcpu 0 RAX=ffff888015221500 RBX=0000000000000000 RCX=ffffffff8136b9f8 RDX=1ffff1100198a0f2 RSI=ffffffff84c71a10 RDI=ffff88800cc50790 RBP=ffff88801a597f58 RSP=ffff88801a597ea8 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000000 R11=0000000000000001 R12=0000000000000007 R13=00007f3ba9ce53ec R14=ffff88800cc50780 R15=ffff888015221500 RIP=ffffffff8136c0c7 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f3ba9174900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3ba9ce53ec CR3=000000000a59e000 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=6720646572637465733a4d41503d706f 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=0000000000000000 RBX=0000000000000001 RCX=ffffffff86ab82ee RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff8880152af5c8 RSP=ffff8880152af500 R8 =ffffffff86ab82f2 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255da R12=ffff8880152af5d0 R13=ffff8880152af5b8 R14=ffff8880152af5b1 R15=ffff8880152af570 RIP=ffffffff8135e896 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 00007f8ca4aec900 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=00007ffe313d5f18 CR3=000000000dcda000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=3cb20a829da20abc00000000000ae988 XMM05=fc34bd189a9b2f70000000000031f580 XMM06=adbc447dd88fbafe000000000031dfb0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000