[ 39.099785] ------------[ cut here ]------------ [ 39.100794] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.102937] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.104544] Modules linked in: [ 39.105177] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.107357] Tainted: [W]=WARN [ 39.107949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.109534] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.110527] 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 [ 39.113643] RSP: 0018:ffff888015acfbc0 EFLAGS: 00010286 [ 39.114607] RAX: 0000000000000000 RBX: ffffed1002b59f78 RCX: ffffffff813a4050 [ 39.115886] RDX: ffff8880161f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.117146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b59f2f [ 39.118407] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.119671] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015acfdf8 [ 39.120936] FS: 00007f9938c6a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.122373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.123421] CR2: 00007fffd4b2cef8 CR3: 000000001c80f000 CR4: 0000000000350ef0 [ 39.124677] Call Trace: [ 39.125129] [ 39.125585] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.126465] ? __create_object+0x59/0x80 [ 39.127244] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.128155] __vmalloc_noprof+0x59/0x60 [ 39.128909] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.129773] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.130688] bpf_prog_alloc+0x39/0x200 [ 39.131415] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.132328] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.133166] do_seccomp+0x349/0x25e0 [ 39.133915] ? find_held_lock+0x2b/0x80 [ 39.134661] ? do_prlimit+0x310/0x610 [ 39.135392] ? __pfx_do_seccomp+0x10/0x10 [ 39.136123] ? do_raw_spin_unlock+0x53/0x220 [ 39.136943] ? _raw_spin_unlock+0x1e/0x40 [ 39.137723] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.138676] ? static_key_count+0x60/0x80 [ 39.139480] prctl_set_seccomp+0x4e/0x70 [ 39.140235] __do_sys_prctl+0xe6c/0x1d70 [ 39.140956] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.141820] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.142766] ? irqentry_exit+0xf3/0x650 [ 39.143534] do_syscall_64+0xbf/0x430 [ 39.144269] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.145165] RIP: 0033:0x7f993915c5cd [ 39.145877] 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 [ 39.148969] RSP: 002b:00007fffd4b2bb70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.150323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f993915c5cd [ 39.151573] RDX: 00005612bd69ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.152828] RBP: 00007fffd4b2bbd0 R08: 0000000000000000 R09: 00007fffd4b2b270 [ 39.154100] R10: 0000000000000000 R11: 0000000000000246 R12: 00005612c492aad0 [ 39.155233] R13: 00007fffd4b2c000 R14: 00005612c492bbc0 R15: 00005612c493c780 [ 39.156312] [ 39.156660] irq event stamp: 1751 [ 39.157156] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 39.158454] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.159722] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 39.160994] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 39.162265] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.124482] ------------[ cut here ]------------ [ 42.125422] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.127520] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.129014] Modules linked in: [ 42.129659] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.131644] Tainted: [W]=WARN [ 42.132251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.133707] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.134621] 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 [ 42.137778] RSP: 0018:ffff888016c77bc0 EFLAGS: 00010286 [ 42.138754] RAX: 0000000000000000 RBX: ffffed1002d8ef78 RCX: ffffffff813a4050 [ 42.140022] RDX: ffff88800cafd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.141304] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8ef2f [ 42.142599] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.143866] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c77df8 [ 42.145131] FS: 00007fabae65d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.146570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.147630] CR2: 00007ffda9d13ef8 CR3: 000000000d567000 CR4: 0000000000350ef0 [ 42.148903] Call Trace: [ 42.149392] [ 42.149820] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.150711] ? __create_object+0x59/0x80 [ 42.151494] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.152461] __vmalloc_noprof+0x59/0x60 [ 42.153236] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.154104] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.155054] bpf_prog_alloc+0x39/0x200 [ 42.155792] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.156716] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.157619] do_seccomp+0x349/0x25e0 [ 42.158339] ? find_held_lock+0x2b/0x80 [ 42.159056] ? do_prlimit+0x310/0x610 [ 42.159800] ? __pfx_do_seccomp+0x10/0x10 [ 42.160576] ? do_raw_spin_unlock+0x53/0x220 [ 42.161412] ? _raw_spin_unlock+0x1e/0x40 [ 42.162163] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.163220] ? static_key_count+0x60/0x80 [ 42.163962] prctl_set_seccomp+0x4e/0x70 [ 42.164747] __do_sys_prctl+0xe6c/0x1d70 [ 42.165515] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.166409] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.167382] ? irqentry_exit+0xf3/0x650 [ 42.168114] do_syscall_64+0xbf/0x430 [ 42.168849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.169806] RIP: 0033:0x7fabaeb4f5cd [ 42.170507] 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 [ 42.174062] RSP: 002b:00007ffda9d11fc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.175400] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabaeb4f5cd [ 42.176669] RDX: 0000562e5662be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.177961] RBP: 00007ffda9d12020 R08: 0000000000000000 R09: 00007ffda9d116c0 [ 42.179229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e624a8ad0 [ 42.180499] R13: 00007ffda9d12450 R14: 0000562e624a9bc0 R15: 0000562e624ba780 [ 42.181974] [ 42.182644] irq event stamp: 1791 [ 42.183401] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 42.184909] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 42.186439] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 42.187975] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 42.189488] ---[ end trace 0000000000000000 ]--- [ 43.005943] ------------[ cut here ]------------ [ 43.006716] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.008391] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.009593] Modules linked in: [ 43.010337] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.012060] Tainted: [W]=WARN [ 43.012546] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.013784] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.014535] 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 [ 43.017153] RSP: 0018:ffff8880171c7bc0 EFLAGS: 00010286 [ 43.017970] RAX: 0000000000000000 RBX: ffffed1002e38f78 RCX: ffffffff813a4050 [ 43.019021] RDX: ffff888015b45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.020066] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e38f2f [ 43.021117] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.022178] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171c7df8 [ 43.023240] FS: 00007fedda1b3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.024414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.025283] CR2: 00007fedda6a5580 CR3: 000000000de6a000 CR4: 0000000000350ef0 [ 43.026353] Call Trace: [ 43.026736] [ 43.027071] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.027818] ? __create_object+0x59/0x80 [ 43.028458] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.029242] __vmalloc_noprof+0x59/0x60 [ 43.029845] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.030580] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.031364] bpf_prog_alloc+0x39/0x200 [ 43.031940] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.032702] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.033448] do_seccomp+0x349/0x25e0 [ 43.034013] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.034756] ? __pfx_do_seccomp+0x10/0x10 [ 43.035403] ? find_held_lock+0x2b/0x80 [ 43.035993] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.036785] ? static_key_count+0x60/0x80 [ 43.037446] prctl_set_seccomp+0x4e/0x70 [ 43.038060] __do_sys_prctl+0xe6c/0x1d70 [ 43.038697] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.039410] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.040211] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.040970] ? irqentry_exit+0xf3/0x650 [ 43.041597] do_syscall_64+0xbf/0x430 [ 43.042171] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.042950] RIP: 0033:0x7fedda6a55cd [ 43.043512] 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 [ 43.046134] RSP: 002b:00007ffc25fd2400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.047249] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fedda6a55cd [ 43.048299] RDX: 0000564574ca0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.049360] RBP: 00007ffc25fd2460 R08: 0000000000000000 R09: 00007ffc25fd1b00 [ 43.050416] R10: 0000000000000000 R11: 0000000000000246 R12: 000056459be38ad0 [ 43.051463] R13: 00007ffc25fd2890 R14: 000056459be39bc0 R15: 000056459be4a780 [ 43.052529] [ 43.052878] irq event stamp: 1771 [ 43.053403] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 43.054657] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 43.055898] softirqs last enabled at (1304): [] handle_softirqs+0x50c/0x770 [ 43.057157] softirqs last disabled at (1287): [] __irq_exit_rcu+0xc4/0x100 [ 43.058423] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36443' (ECDSA) to the list of known hosts. 2025/11/17 17:48:20 fuzzer started 2025/11/17 17:48:21 dialing manager at localhost:37895 2025/11/17 17:48:21 checking machine... 2025/11/17 17:48:21 checking revisions... [ 43.993411] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:48:21 testing simple program... [ 44.085483] cgroup: Unknown subsys name 'net' [ 44.146656] cgroup: Unknown subsys name 'cpuset' [ 44.162258] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.732869] audit: type=1400 audit(1763401709.942:7): avc: denied { execmem } for pid=276 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 17:48:20 Registers: info registers vcpu 0 RAX=0000000015b3f700 RBX=00007f0d0f16ec64 RCX=ffff888015b3f5f4 RDX=0000000000000000 RSI=00007f0d0f16ec64 RDI=ffffffff85e78600 RBP=00007f0d0f16ec64 RSP=ffff888015b3f640 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888015b3f750 R13=0000000000000000 R14=ffff888015b40000 R15=0000000000000cc0 RIP=ffffffff8175a454 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 00007f0d0e8b5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000562e624dc000 CR3=000000000cb78000 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=318894e17d9cf3d200000000000ae988 XMM05=9d825038b073e6220000000000322988 XMM06=d96330e2d2db86320000000000321ad0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=2e5feba137d05800 RBX=ffff88801a3aff58 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801a3af618 R8 =0000000000000001 R9 =ffff88801a3af710 R10=000000000003c9ed R11=00000000000c7d20 R12=ffffffff8135e7a2 R13=ffff88801a3af718 R14=ffff88801a3aff48 R15=ffff88801a3af6d0 RIP=ffffffff81528ee4 RFL=00000296 [--S-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 00007fabae65d900 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=00007fabae61d008 CR3=000000000d466000 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