[ 38.881905] ------------[ cut here ]------------ [ 38.882851] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.884869] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.886391] Modules linked in: [ 38.887028] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.888990] Tainted: [W]=WARN [ 38.889540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.891016] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.891925] 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 [ 38.895074] RSP: 0018:ffff888015fe7bc0 EFLAGS: 00010286 [ 38.896046] RAX: 0000000000000000 RBX: ffffed1002bfcf78 RCX: ffffffff813a4050 [ 38.897323] RDX: ffff888016bf8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.898599] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bfcf2f [ 38.899889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.901154] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015fe7df8 [ 38.902443] FS: 00007f031862d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.903869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.904915] CR2: 00007fff1b18def7 CR3: 000000000d4bf000 CR4: 0000000000350ef0 [ 38.906179] Call Trace: [ 38.906693] [ 38.907104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.907998] ? __create_object+0x59/0x80 [ 38.908766] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.909722] __vmalloc_noprof+0x59/0x60 [ 38.910436] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.911296] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.912219] bpf_prog_alloc+0x39/0x200 [ 38.912945] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.913852] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.914746] do_seccomp+0x349/0x25e0 [ 38.915411] ? find_held_lock+0x2b/0x80 [ 38.916161] ? do_prlimit+0x310/0x610 [ 38.916896] ? __pfx_do_seccomp+0x10/0x10 [ 38.917630] ? do_raw_spin_unlock+0x53/0x220 [ 38.918475] ? _raw_spin_unlock+0x1e/0x40 [ 38.919255] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.920215] ? static_key_count+0x60/0x80 [ 38.921014] prctl_set_seccomp+0x4e/0x70 [ 38.921787] __do_sys_prctl+0xe6c/0x1d70 [ 38.922535] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.923385] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.924354] ? irqentry_exit+0xf3/0x650 [ 38.925111] do_syscall_64+0xbf/0x430 [ 38.925847] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.926858] RIP: 0033:0x7f0318b1f5cd [ 38.927515] 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 [ 38.930670] RSP: 002b:00007fff1b18ca30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.932030] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0318b1f5cd [ 38.933308] RDX: 000055cdef85ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.934663] RBP: 00007fff1b18ca90 R08: 0000000000000000 R09: 00007fff1b18c130 [ 38.935963] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce0e5fb240 [ 38.937259] R13: 00007fff1b18cec0 R14: 000055ce0e604380 R15: 000055ce0e60f540 [ 38.938583] [ 38.939064] irq event stamp: 1809 [ 38.939711] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 38.941248] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 38.942798] softirqs last enabled at (1776): [] handle_softirqs+0x50c/0x770 [ 38.944349] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 38.945872] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.026813] ------------[ cut here ]------------ [ 42.027752] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.029871] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.031407] Modules linked in: [ 42.032054] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.034118] Tainted: [W]=WARN [ 42.034741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.036277] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.037239] 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 [ 42.040581] RSP: 0018:ffff8880165f7bc0 EFLAGS: 00010286 [ 42.041600] RAX: 0000000000000000 RBX: ffffed1002cbef78 RCX: ffffffff813a4050 [ 42.042962] RDX: ffff888015c98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.044319] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cbef2f [ 42.045674] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.047049] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165f7df8 [ 42.048401] FS: 00007f5ee76ec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.049929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.051065] CR2: 00007fff542e7ef7 CR3: 000000000bc2d000 CR4: 0000000000350ef0 [ 42.052417] Call Trace: [ 42.052956] [ 42.053416] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.054381] ? __create_object+0x59/0x80 [ 42.055217] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.056250] __vmalloc_noprof+0x59/0x60 [ 42.057064] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.057990] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.058997] bpf_prog_alloc+0x39/0x200 [ 42.059786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.060777] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.061741] do_seccomp+0x349/0x25e0 [ 42.062475] ? find_held_lock+0x2b/0x80 [ 42.063306] ? do_prlimit+0x310/0x610 [ 42.064099] ? __pfx_do_seccomp+0x10/0x10 [ 42.064942] ? do_raw_spin_unlock+0x53/0x220 [ 42.065832] ? _raw_spin_unlock+0x1e/0x40 [ 42.066635] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.067686] ? static_key_count+0x60/0x80 [ 42.068496] prctl_set_seccomp+0x4e/0x70 [ 42.069326] __do_sys_prctl+0xe6c/0x1d70 [ 42.070160] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.071092] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.072132] ? irqentry_exit+0xf3/0x650 [ 42.072950] do_syscall_64+0xbf/0x430 [ 42.073746] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.074778] RIP: 0033:0x7f5ee7bde5cd [ 42.075493] 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 [ 42.078919] RSP: 002b:00007fff542e5ff0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.080377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5ee7bde5cd [ 42.081759] RDX: 0000560d9306ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.083146] RBP: 00007fff542e6050 R08: 0000000000000000 R09: 00007fff542e56f0 [ 42.084533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560da85cb2b0 [ 42.085917] R13: 00007fff542e6480 R14: 0000560da85cdd20 R15: 0000560da85df8d0 [ 42.087329] [ 42.087716] irq event stamp: 1739 [ 42.088235] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 42.089512] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 42.090797] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.092104] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 42.093390] ---[ end trace 0000000000000000 ]--- [ 42.917126] ------------[ cut here ]------------ [ 42.918073] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.920104] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.921549] Modules linked in: [ 42.922203] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.924164] Tainted: [W]=WARN [ 42.924759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.926236] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.927168] 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 [ 42.930332] RSP: 0018:ffff88800d377bc0 EFLAGS: 00010286 [ 42.931341] RAX: 0000000000000000 RBX: ffffed1001a6ef78 RCX: ffffffff813a4050 [ 42.932627] RDX: ffff888016b39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.933930] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001a6ef2f [ 42.935223] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.936515] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d377df8 [ 42.937801] FS: 00007fd708757900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.939248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.940303] CR2: 00007ffc809fbef7 CR3: 000000001edae000 CR4: 0000000000350ef0 [ 42.941577] Call Trace: [ 42.942071] [ 42.942501] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.943411] ? __create_object+0x59/0x80 [ 42.944181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.945137] __vmalloc_noprof+0x59/0x60 [ 42.945893] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.946773] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.947716] bpf_prog_alloc+0x39/0x200 [ 42.948402] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.949322] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.950236] do_seccomp+0x349/0x25e0 [ 42.950966] ? find_held_lock+0x2b/0x80 [ 42.951725] ? do_prlimit+0x310/0x610 [ 42.952421] ? __pfx_do_seccomp+0x10/0x10 [ 42.953199] ? do_raw_spin_unlock+0x53/0x220 [ 42.954028] ? _raw_spin_unlock+0x1e/0x40 [ 42.954815] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.955788] ? static_key_count+0x60/0x80 [ 42.956548] prctl_set_seccomp+0x4e/0x70 [ 42.957305] __do_sys_prctl+0xe6c/0x1d70 [ 42.958083] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.959029] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.959995] ? irqentry_exit+0xf3/0x650 [ 42.960750] do_syscall_64+0xbf/0x430 [ 42.961437] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.962388] RIP: 0033:0x7fd708c495cd [ 42.963097] 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 [ 42.966278] RSP: 002b:00007ffc809fab60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.967664] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd708c495cd [ 42.968940] RDX: 000056281662ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.970209] RBP: 00007ffc809fabc0 R08: 0000000000000000 R09: 00007ffc809fa260 [ 42.971514] R10: 0000000000000000 R11: 0000000000000246 R12: 000056284d2fcad0 [ 42.972782] R13: 00007ffc809faff0 R14: 000056284d2fdbc0 R15: 000056284d30e780 [ 42.974067] [ 42.974513] irq event stamp: 1745 [ 42.975157] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.976678] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.978180] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 42.979725] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 42.981239] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52661' (ECDSA) to the list of known hosts. 2025/11/18 02:19:37 fuzzer started 2025/11/18 02:19:37 dialing manager at localhost:37895 2025/11/18 02:19:37 checking machine... 2025/11/18 02:19:37 checking revisions... [ 43.887811] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:19:37 testing simple program... [ 43.984977] cgroup: Unknown subsys name 'net' [ 44.053251] cgroup: Unknown subsys name 'cpuset' [ 44.064272] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.652144] audit: type=1400 audit(1763432386.583:7): 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: 02:19:36 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=dffffc0000000000 RCX=0000000000000001 RDX=ffff88806ce08e20 RSI=ffffea0000657580 RDI=ffff888009462280 RBP=ffff88806ce08e58 RSP=ffff88806ce08df8 R8 =ffff88800dface00 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=ffffea0000657580 R13=ffff88806ce08ee0 R14=ffff8880195d78f8 R15=ffff888009462280 RIP=ffffffff81b57184 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe926018000 CR3=000000000d875000 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=34f2340172a2e2bcc14e2aea456ca8da XMM02=ec2efd57dc4c00df00000000003034c0 XMM03=df2c26717e45d1720000000000303590 XMM04=d0ed71383dc1665400000000000ae988 XMM05=8efe1f07f56291220000000000320d78 XMM06=de4f71c999dd2df0000000000031f3b0 XMM07=fb795ef6d6577056000000000030f938 XMM08=2c67c8bc2e329bc30000000000303530 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0d35f08 RBX=ffffffff869af840 RCX=ffffffff84c6acde RDX=0000000000000000 RSI=ffffffff86e86e80 RDI=ffffffff869af834 RBP=ffffffff869af840 RSP=ffff888016297800 R8 =ffffffff86e86e80 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7d20 R12=ffffffff869af844 R13=ffffffff869af834 R14=ffffffff869af83c R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000212 [----A--] 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 00007f5ee76ec900 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=00007fff542e0000 CR3=000000001ee54000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000