[ 46.594108] ------------[ cut here ]------------ [ 46.595056] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.597064] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.598560] Modules linked in: [ 46.599166] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.601380] Tainted: [W]=WARN [ 46.601979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.603469] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.604391] 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 [ 46.607563] RSP: 0018:ffff888019787bc0 EFLAGS: 00010286 [ 46.608539] RAX: 0000000000000000 RBX: ffffed10032f0f78 RCX: ffffffff813a4050 [ 46.609840] RDX: ffff888016c83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.611123] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032f0f2f [ 46.612408] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.613690] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019787df8 [ 46.614981] FS: 00007fbd56835900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.616429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.617503] CR2: 00007fbd56d27580 CR3: 000000000d1ad000 CR4: 0000000000350ef0 [ 46.618801] Call Trace: [ 46.619265] [ 46.619724] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.620611] ? __create_object+0x59/0x80 [ 46.621357] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.622312] __vmalloc_noprof+0x59/0x60 [ 46.623077] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.623952] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.624886] bpf_prog_alloc+0x39/0x200 [ 46.625645] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.626594] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.627527] do_seccomp+0x349/0x25e0 [ 46.628210] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.629111] ? __pfx_do_seccomp+0x10/0x10 [ 46.629921] ? find_held_lock+0x2b/0x80 [ 46.630702] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.631689] ? static_key_count+0x60/0x80 [ 46.632463] prctl_set_seccomp+0x4e/0x70 [ 46.633270] __do_sys_prctl+0xe6c/0x1d70 [ 46.634074] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.634946] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.635926] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.636900] ? irqentry_exit+0xf3/0x650 [ 46.637679] do_syscall_64+0xbf/0x430 [ 46.638388] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.639366] RIP: 0033:0x7fbd56d275cd [ 46.640086] 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 [ 46.643323] RSP: 002b:00007fff946c28c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.644701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd56d275cd [ 46.645993] RDX: 0000564c9be02e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.647300] RBP: 00007fff946c2920 R08: 0000000000000000 R09: 00007fff946c1fc0 [ 46.648595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564cd30b7ad0 [ 46.649898] R13: 00007fff946c2d50 R14: 0000564cd30b8bc0 R15: 0000564cd30c9780 [ 46.651228] [ 46.651716] irq event stamp: 1747 [ 46.652324] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 46.653866] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 46.655432] softirqs last enabled at (1312): [] handle_softirqs+0x50c/0x770 [ 46.657009] softirqs last disabled at (1307): [] __irq_exit_rcu+0xc4/0x100 [ 46.658548] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.656274] ------------[ cut here ]------------ [ 49.657236] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.659299] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.660774] Modules linked in: [ 49.661359] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.663416] Tainted: [W]=WARN [ 49.664098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.665598] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.666454] 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 [ 49.669636] RSP: 0018:ffff888019867bc0 EFLAGS: 00010286 [ 49.670612] RAX: 0000000000000000 RBX: ffffed100330cf78 RCX: ffffffff813a4050 [ 49.671903] RDX: ffff888016bdb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.673180] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100330cf2f [ 49.674444] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.675742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019867df8 [ 49.677008] FS: 00007f020b4b2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.678429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.679502] CR2: 00007f020b9a4580 CR3: 000000000b921000 CR4: 0000000000350ef0 [ 49.680769] Call Trace: [ 49.681230] [ 49.681685] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.682573] ? __create_object+0x59/0x80 [ 49.683320] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.684283] __vmalloc_noprof+0x59/0x60 [ 49.685039] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.685909] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.686846] bpf_prog_alloc+0x39/0x200 [ 49.687585] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.688448] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.689345] do_seccomp+0x349/0x25e0 [ 49.690052] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.691072] ? __pfx_do_seccomp+0x10/0x10 [ 49.691990] ? find_held_lock+0x2b/0x80 [ 49.692822] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.693944] ? static_key_count+0x60/0x80 [ 49.694861] prctl_set_seccomp+0x4e/0x70 [ 49.695682] __do_sys_prctl+0xe6c/0x1d70 [ 49.696449] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.697402] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.698500] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.699435] ? irqentry_exit+0xf3/0x650 [ 49.700235] do_syscall_64+0xbf/0x430 [ 49.701110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.702168] RIP: 0033:0x7f020b9a45cd [ 49.702927] 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 [ 49.706241] RSP: 002b:00007ffefafb7430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.707607] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f020b9a45cd [ 49.709010] RDX: 00005618370c7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.710352] RBP: 00007ffefafb7490 R08: 0000000000000000 R09: 00007ffefafb6b30 [ 49.711833] R10: 0000000000000000 R11: 0000000000000246 R12: 000056185bfa42b0 [ 49.713240] R13: 00007ffefafb78c0 R14: 000056185bfa6d20 R15: 000056185bfb88d0 [ 49.714628] [ 49.715099] irq event stamp: 1755 [ 49.715721] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 49.716799] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 49.717909] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 49.719022] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 49.719800] ---[ end trace 0000000000000000 ]--- [ 50.309320] ------------[ cut here ]------------ [ 50.310325] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.312532] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.314143] Modules linked in: [ 50.314847] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.316994] Tainted: [W]=WARN [ 50.317639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.319252] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.320228] 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 [ 50.323675] RSP: 0018:ffff888016e47bc0 EFLAGS: 00010286 [ 50.324736] RAX: 0000000000000000 RBX: ffffed1002dc8f78 RCX: ffffffff813a4050 [ 50.326127] RDX: ffff888009a8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.327545] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc8f2f [ 50.328945] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.330344] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e47df8 [ 50.331756] FS: 00007f85631d8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.333327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.334504] CR2: 00007fffb1ba5ef7 CR3: 000000002031e000 CR4: 0000000000350ef0 [ 50.335924] Call Trace: [ 50.336432] [ 50.336933] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.337911] ? __create_object+0x59/0x80 [ 50.338774] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.339823] __vmalloc_noprof+0x59/0x60 [ 50.340655] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.341618] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.342625] bpf_prog_alloc+0x39/0x200 [ 50.343393] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.344411] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.345394] do_seccomp+0x349/0x25e0 [ 50.346177] ? find_held_lock+0x2b/0x80 [ 50.347013] ? do_prlimit+0x310/0x610 [ 50.347818] ? __pfx_do_seccomp+0x10/0x10 [ 50.348665] ? do_raw_spin_unlock+0x53/0x220 [ 50.349577] ? _raw_spin_unlock+0x1e/0x40 [ 50.350375] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.351432] ? static_key_count+0x60/0x80 [ 50.352291] prctl_set_seccomp+0x4e/0x70 [ 50.353138] __do_sys_prctl+0xe6c/0x1d70 [ 50.353986] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.354919] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.355963] ? irqentry_exit+0xf3/0x650 [ 50.356784] do_syscall_64+0xbf/0x430 [ 50.357591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.358640] RIP: 0033:0x7f85636ca5cd [ 50.359357] 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 [ 50.362332] RSP: 002b:00007fffb1ba3420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.363606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85636ca5cd [ 50.364795] RDX: 0000558f25526e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.365979] RBP: 00007fffb1ba3480 R08: 0000000000000000 R09: 00007fffb1ba2b20 [ 50.367171] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f4f3952b0 [ 50.368348] R13: 00007fffb1ba38b0 R14: 0000558f4f397d20 R15: 0000558f4f3a98d0 [ 50.369544] [ 50.369936] irq event stamp: 1791 [ 50.370528] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 50.371945] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 50.373354] softirqs last enabled at (1380): [] handle_softirqs+0x50c/0x770 [ 50.374799] softirqs last disabled at (1375): [] __irq_exit_rcu+0xc4/0x100 [ 50.376194] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21341' (ECDSA) to the list of known hosts. 2025/11/18 16:41:21 fuzzer started 2025/11/18 16:41:21 dialing manager at localhost:34383 2025/11/18 16:41:21 checking machine... 2025/11/18 16:41:21 checking revisions... [ 51.177952] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:41:21 testing simple program... [ 51.246088] cgroup: Unknown subsys name 'net' [ 51.287454] cgroup: Unknown subsys name 'cpuset' [ 51.295836] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:41:20 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff8649b680 RCX=ffff88800ff0a3a4 RDX=ffff888016ad8000 RSI=ffffffff814578b5 RDI=ffffffff8649b680 RBP=ffffffff8649b718 RSP=ffff88801979fc60 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888013ea5c00 R14=ffff88800ff0a720 R15=ffff88801979fd50 RIP=ffffffff84c8c184 RFL=00000293 [--S-A-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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f020b4b2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffefafb1000 CR3=00000000201fc000 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=0000000000021959 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=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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffd59c46b8 CR3=000000000b6ce000 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=2030323a31343a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a31343a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000