[ 38.880557] ------------[ cut here ]------------ [ 38.881509] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.883495] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.884948] Modules linked in: [ 38.885551] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.887761] Tainted: [W]=WARN [ 38.888428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.889928] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.890795] 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 [ 38.893949] RSP: 0018:ffff8880173d7bc0 EFLAGS: 00010286 [ 38.894872] RAX: 0000000000000000 RBX: ffffed1002e7af78 RCX: ffffffff813a4050 [ 38.896165] RDX: ffff88801ad45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.897444] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7af2f [ 38.898737] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.900030] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173d7df8 [ 38.901322] FS: 00007fb614074900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.902777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.903844] CR2: 00007fb614566580 CR3: 000000000738e000 CR4: 0000000000350ef0 [ 38.905138] Call Trace: [ 38.905627] [ 38.906070] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.906969] ? __create_object+0x59/0x80 [ 38.907709] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.908680] __vmalloc_noprof+0x59/0x60 [ 38.909441] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.910308] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.911232] bpf_prog_alloc+0x39/0x200 [ 38.911963] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.912860] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.913767] do_seccomp+0x349/0x25e0 [ 38.914479] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.915390] ? __pfx_do_seccomp+0x10/0x10 [ 38.916188] ? find_held_lock+0x2b/0x80 [ 38.916946] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.917873] ? static_key_count+0x60/0x80 [ 38.918694] prctl_set_seccomp+0x4e/0x70 [ 38.919474] __do_sys_prctl+0xe6c/0x1d70 [ 38.920259] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.921123] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.922106] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.923063] ? irqentry_exit+0xf3/0x650 [ 38.923794] do_syscall_64+0xbf/0x430 [ 38.924538] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.925494] RIP: 0033:0x7fb6145665cd [ 38.926190] 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 [ 38.929359] RSP: 002b:00007fff34607450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.930714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6145665cd [ 38.931997] RDX: 000055d788648e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.933296] RBP: 00007fff346074b0 R08: 0000000000000000 R09: 00007fff34606b50 [ 38.934589] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d78acedb10 [ 38.935884] R13: 00007fff346078e0 R14: 000055d78acee2b0 R15: 000055d78ad026f0 [ 38.937198] [ 38.937639] irq event stamp: 1807 [ 38.938293] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 38.939818] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 38.941342] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 38.942877] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 38.944411] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.101569] ------------[ cut here ]------------ [ 42.102556] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.104395] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.105843] Modules linked in: [ 42.106450] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.108075] Tainted: [W]=WARN [ 42.108595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.109992] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.110833] 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 [ 42.113645] RSP: 0018:ffff8880174e7bc0 EFLAGS: 00010286 [ 42.114441] RAX: 0000000000000000 RBX: ffffed1002e9cf78 RCX: ffffffff813a4050 [ 42.115476] RDX: ffff88801532b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.116514] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e9cf2f [ 42.117581] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.118616] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174e7df8 [ 42.119670] FS: 00007f62aad0e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.120846] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.121730] CR2: 00007ffdbc9f1ef7 CR3: 0000000016d1a000 CR4: 0000000000350ef0 [ 42.122788] Call Trace: [ 42.123197] [ 42.123535] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.124273] ? __create_object+0x59/0x80 [ 42.124881] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.125688] __vmalloc_noprof+0x59/0x60 [ 42.126309] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.127029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.127763] bpf_prog_alloc+0x39/0x200 [ 42.128374] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.129127] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.129842] do_seccomp+0x349/0x25e0 [ 42.130439] ? find_held_lock+0x2b/0x80 [ 42.131053] ? do_prlimit+0x310/0x610 [ 42.131631] ? __pfx_do_seccomp+0x10/0x10 [ 42.132305] ? do_raw_spin_unlock+0x53/0x220 [ 42.133072] ? _raw_spin_unlock+0x1e/0x40 [ 42.133855] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.134847] ? static_key_count+0x60/0x80 [ 42.135696] prctl_set_seccomp+0x4e/0x70 [ 42.136525] __do_sys_prctl+0xe6c/0x1d70 [ 42.137376] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.138298] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.139143] ? irqentry_exit+0xf3/0x650 [ 42.139755] do_syscall_64+0xbf/0x430 [ 42.140389] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.141216] RIP: 0033:0x7f62ab2005cd [ 42.141778] 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 [ 42.144472] RSP: 002b:00007ffdbc9ef370 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.145627] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62ab2005cd [ 42.146711] RDX: 000055fdf8c05e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.147815] RBP: 00007ffdbc9ef3d0 R08: 0000000000000000 R09: 00007ffdbc9eea70 [ 42.148926] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fdfaf82bf0 [ 42.150036] R13: 00007ffdbc9ef800 R14: 000055fdfaf8c380 R15: 000055fdfaf97460 [ 42.151139] [ 42.151497] irq event stamp: 1709 [ 42.152042] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 42.153359] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 42.154656] softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770 [ 42.155957] softirqs last disabled at (1501): [] __irq_exit_rcu+0xc4/0x100 [ 42.157277] ---[ end trace 0000000000000000 ]--- [ 42.983608] ------------[ cut here ]------------ [ 42.984400] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.986041] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 42.987246] Modules linked in: [ 42.987737] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.989378] Tainted: [W]=WARN [ 42.989839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.991028] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.991747] 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 [ 42.994368] RSP: 0018:ffff88801ae5fbc0 EFLAGS: 00010286 [ 42.995190] RAX: 0000000000000000 RBX: ffffed10035cbf78 RCX: ffffffff813a4050 [ 42.996247] RDX: ffff8880175b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.997290] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035cbf2f [ 42.998360] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.999415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ae5fdf8 [ 43.000468] FS: 00007f3a82a88900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.001687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.002548] CR2: 00007fffa5754ef7 CR3: 000000000e3a1000 CR4: 0000000000350ef0 [ 43.003595] Call Trace: [ 43.004006] [ 43.004346] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.005078] ? __create_object+0x59/0x80 [ 43.005691] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.006477] __vmalloc_noprof+0x59/0x60 [ 43.007096] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.007782] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.008537] bpf_prog_alloc+0x39/0x200 [ 43.009145] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.009882] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.010625] do_seccomp+0x349/0x25e0 [ 43.011219] ? find_held_lock+0x2b/0x80 [ 43.011808] ? do_prlimit+0x310/0x610 [ 43.012408] ? __pfx_do_seccomp+0x10/0x10 [ 43.013044] ? do_raw_spin_unlock+0x53/0x220 [ 43.013702] ? _raw_spin_unlock+0x1e/0x40 [ 43.014338] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.015117] ? static_key_count+0x60/0x80 [ 43.015742] prctl_set_seccomp+0x4e/0x70 [ 43.016368] __do_sys_prctl+0xe6c/0x1d70 [ 43.017006] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.017684] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.018469] ? irqentry_exit+0xf3/0x650 [ 43.019089] do_syscall_64+0xbf/0x430 [ 43.019664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.020432] RIP: 0033:0x7f3a82f7a5cd [ 43.021002] 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 [ 43.023621] RSP: 002b:00007fffa5752980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.024795] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a82f7a5cd [ 43.025888] RDX: 00005612d9e6de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.026949] RBP: 00007fffa57529e0 R08: 0000000000000000 R09: 00007fffa5752080 [ 43.027999] R10: 0000000000000000 R11: 0000000000000246 R12: 000056130c168b10 [ 43.029060] R13: 00007fffa5752e10 R14: 000056130c1692b0 R15: 000056130c17d6f0 [ 43.030141] [ 43.030490] irq event stamp: 1673 [ 43.031021] hardirqs last enabled at (1683): [] __up_console_sem+0x78/0x80 [ 43.032275] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 43.033529] softirqs last enabled at (1430): [] handle_softirqs+0x50c/0x770 [ 43.034797] softirqs last disabled at (1425): [] __irq_exit_rcu+0xc4/0x100 [ 43.036042] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46377' (ECDSA) to the list of known hosts. 2025/11/19 06:52:07 fuzzer started 2025/11/19 06:52:07 dialing manager at localhost:34383 2025/11/19 06:52:07 checking machine... 2025/11/19 06:52:07 checking revisions... [ 43.950485] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:52:07 testing simple program... [ 44.052552] cgroup: Unknown subsys name 'net' [ 44.112416] cgroup: Unknown subsys name 'cpuset' [ 44.134056] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.654938] audit: type=1400 audit(1763535136.455:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 06:52:06 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88800fb6d3c0 RCX=ffffffff814a4de3 RDX=1ffff11001f6db78 RSI=0000000000000008 RDI=ffff88800fb6dbc0 RBP=ffff88800fb6d340 RSP=ffff888016a7fa98 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=0000000000000001 R12=0000000000023e84 R13=ffff88800fadba00 R14=ffff88800fb6d468 R15=ffff88800fb6d340 RIP=ffffffff814a4e1a RFL=00000046 [---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 00007f4dcbc4f700 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=00007ffee0521aa8 CR3=000000000e04b000 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=32353a363020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343339 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff8880166d7a70 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=ffff8880166d6138 RSI=0000000000000000 RDI=ffff8880166d88d0 RBP=ffff8880166d88d0 RSP=ffff888009757b98 R8 =0000000000000001 R9 =ffffed10012eaf64 R10=0000000000000003 R11=0000000000000001 R12=ffff88800c733630 R13=0000000000000246 R14=ffff8880166d88d0 R15=ffff888009462280 RIP=ffffffff81b61af4 RFL=00000086 [--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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f62aacd8008 CR3=000000000dd16000 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