[ 45.248095] ------------[ cut here ]------------ [ 45.249061] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.251079] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 45.252595] Modules linked in: [ 45.253238] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.255225] Tainted: [W]=WARN [ 45.255827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.257276] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.258185] 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 [ 45.261350] RSP: 0018:ffff8880187cfbc0 EFLAGS: 00010286 [ 45.262342] RAX: 0000000000000000 RBX: ffffed10030f9f78 RCX: ffffffff813a4050 [ 45.263638] RDX: ffff888015f60000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.264920] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030f9f2f [ 45.266186] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.267523] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187cfdf8 [ 45.268837] FS: 00007fbb22dfc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.270285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.271354] CR2: 00007ffc3c854ef8 CR3: 000000000b73f000 CR4: 0000000000350ef0 [ 45.272631] Call Trace: [ 45.273131] [ 45.273541] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.274438] ? __create_object+0x59/0x80 [ 45.275225] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.276180] __vmalloc_noprof+0x59/0x60 [ 45.276932] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.277802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.278696] bpf_prog_alloc+0x39/0x200 [ 45.279444] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.280380] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.281301] do_seccomp+0x349/0x25e0 [ 45.282016] ? find_held_lock+0x2b/0x80 [ 45.282732] ? do_prlimit+0x310/0x610 [ 45.283477] ? __pfx_do_seccomp+0x10/0x10 [ 45.284258] ? do_raw_spin_unlock+0x53/0x220 [ 45.285091] ? _raw_spin_unlock+0x1e/0x40 [ 45.285872] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.286821] ? static_key_count+0x60/0x80 [ 45.287579] prctl_set_seccomp+0x4e/0x70 [ 45.288355] __do_sys_prctl+0xe6c/0x1d70 [ 45.289134] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.289983] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.290947] ? irqentry_exit+0xf3/0x650 [ 45.291659] do_syscall_64+0xbf/0x430 [ 45.292418] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.293363] RIP: 0033:0x7fbb232ee5cd [ 45.294083] 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 [ 45.297233] RSP: 002b:00007ffc3c8530c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.298583] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb232ee5cd [ 45.299891] RDX: 000055e1527c1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.301155] RBP: 00007ffc3c853120 R08: 0000000000000000 R09: 00007ffc3c8527c0 [ 45.302443] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e167eadbf0 [ 45.303729] R13: 00007ffc3c853550 R14: 000055e167eb7380 R15: 000055e167ec2460 [ 45.305066] [ 45.305493] irq event stamp: 1823 [ 45.306144] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 45.307714] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 45.309249] softirqs last enabled at (1846): [] handle_softirqs+0x50c/0x770 [ 45.310797] softirqs last disabled at (1841): [] __irq_exit_rcu+0xc4/0x100 [ 45.312178] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.233954] ------------[ cut here ]------------ [ 48.234972] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.237197] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 48.238784] Modules linked in: [ 48.239433] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.241634] Tainted: [W]=WARN [ 48.242295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.243886] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.244879] 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 [ 48.248332] RSP: 0018:ffff88801774fbc0 EFLAGS: 00010286 [ 48.249388] RAX: 0000000000000000 RBX: ffffed1002ee9f78 RCX: ffffffff813a4050 [ 48.250780] RDX: ffff888016bf5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.252176] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee9f2f [ 48.253560] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.254925] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801774fdf8 [ 48.256369] FS: 00007fa053d79900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.257927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.259093] CR2: 00007ffc4189cef8 CR3: 000000001cc32000 CR4: 0000000000350ef0 [ 48.260481] Call Trace: [ 48.261046] [ 48.261483] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.262458] ? __create_object+0x59/0x80 [ 48.263327] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.264386] __vmalloc_noprof+0x59/0x60 [ 48.265205] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.266149] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.267180] bpf_prog_alloc+0x39/0x200 [ 48.267989] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.268988] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.269975] do_seccomp+0x349/0x25e0 [ 48.270699] ? find_held_lock+0x2b/0x80 [ 48.271552] ? do_prlimit+0x310/0x610 [ 48.272370] ? __pfx_do_seccomp+0x10/0x10 [ 48.273226] ? do_raw_spin_unlock+0x53/0x220 [ 48.274141] ? _raw_spin_unlock+0x1e/0x40 [ 48.275012] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.276064] ? static_key_count+0x60/0x80 [ 48.276943] prctl_set_seccomp+0x4e/0x70 [ 48.277725] __do_sys_prctl+0xe6c/0x1d70 [ 48.278585] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.279537] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.280598] ? irqentry_exit+0xf3/0x650 [ 48.281444] do_syscall_64+0xbf/0x430 [ 48.282256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.283302] RIP: 0033:0x7fa05426b5cd [ 48.284065] 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 [ 48.287501] RSP: 002b:00007ffc4189aa10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.288984] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa05426b5cd [ 48.290377] RDX: 000056465e56de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.291806] RBP: 00007ffc4189aa70 R08: 0000000000000000 R09: 00007ffc4189a110 [ 48.293197] R10: 0000000000000000 R11: 0000000000000246 R12: 000056466c402bf0 [ 48.294586] R13: 00007ffc4189aea0 R14: 000056466c40c380 R15: 000056466c417460 [ 48.296003] [ 48.296457] irq event stamp: 1805 [ 48.297166] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 48.298821] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 48.300311] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 48.301348] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 48.302363] ---[ end trace 0000000000000000 ]--- [ 49.094455] ------------[ cut here ]------------ [ 49.095397] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.097393] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 49.098855] Modules linked in: [ 49.099458] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.101418] Tainted: [W]=WARN [ 49.102003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.103486] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.104383] 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 [ 49.107552] RSP: 0018:ffff88800a5f7bc0 EFLAGS: 00010286 [ 49.108528] RAX: 0000000000000000 RBX: ffffed10014bef78 RCX: ffffffff813a4050 [ 49.109810] RDX: ffff88800f6e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.111107] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10014bef2f [ 49.112383] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.113659] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a5f7df8 [ 49.114923] FS: 00007f563b2b8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.116372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.117436] CR2: 00007ffccecf9ef8 CR3: 000000000ce96000 CR4: 0000000000350ef0 [ 49.118713] Call Trace: [ 49.119231] [ 49.119639] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.120540] ? __create_object+0x59/0x80 [ 49.121325] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.122289] __vmalloc_noprof+0x59/0x60 [ 49.123059] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.123938] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.124885] bpf_prog_alloc+0x39/0x200 [ 49.125576] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.126494] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.127431] do_seccomp+0x349/0x25e0 [ 49.128152] ? find_held_lock+0x2b/0x80 [ 49.128908] ? do_prlimit+0x310/0x610 [ 49.129599] ? __pfx_do_seccomp+0x10/0x10 [ 49.130384] ? do_raw_spin_unlock+0x53/0x220 [ 49.131214] ? _raw_spin_unlock+0x1e/0x40 [ 49.132006] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.132960] ? static_key_count+0x60/0x80 [ 49.133724] prctl_set_seccomp+0x4e/0x70 [ 49.134509] __do_sys_prctl+0xe6c/0x1d70 [ 49.135301] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.136158] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.137125] ? irqentry_exit+0xf3/0x650 [ 49.137879] do_syscall_64+0xbf/0x430 [ 49.138569] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.139535] RIP: 0033:0x7f563b7aa5cd [ 49.140243] 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 [ 49.143437] RSP: 002b:00007ffccecf8200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.144817] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f563b7aa5cd [ 49.146102] RDX: 0000564014ee9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.147443] RBP: 00007ffccecf8260 R08: 0000000000000000 R09: 00007ffccecf7900 [ 49.148778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564053dd7ad0 [ 49.150126] R13: 00007ffccecf8690 R14: 0000564053dd8bc0 R15: 0000564053de9780 [ 49.151491] [ 49.151974] irq event stamp: 1711 [ 49.152610] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 49.154209] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 49.155828] softirqs last enabled at (1622): [] handle_softirqs+0x50c/0x770 [ 49.157449] softirqs last disabled at (1617): [] __irq_exit_rcu+0xc4/0x100 [ 49.159055] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33453' (ECDSA) to the list of known hosts. 2025/11/17 11:47:05 fuzzer started 2025/11/17 11:47:06 dialing manager at localhost:37895 2025/11/17 11:47:06 checking machine... 2025/11/17 11:47:06 checking revisions... [ 50.072894] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:47:06 testing simple program... [ 50.165402] cgroup: Unknown subsys name 'net' [ 50.239004] cgroup: Unknown subsys name 'cpuset' [ 50.258302] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:47:05 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff82641106 RDX=ffff8880155cb780 RSI=0000000000000000 RDI=0000000000000001 RBP=000055ec878714d0 RSP=ffff8880155c7d10 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=000055ec878714d0 R13=ffff88800a5d9120 R14=0000000000000fe0 R15=ffffffff85a8eda0 RIP=ffffffff81751606 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 00007fc347b81900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa054330618 CR3=000000000d87c000 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=1437e921046fd24900000000000ae988 XMM05=b662dda50ca7d1cb0000000000320778 XMM06=0b39c798a71319b6000000000031f550 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002c261 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff9cbd03b8 CR3=000000001a70b000 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=37343a313120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3833325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303038 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000