[ 46.218844] ------------[ cut here ]------------ [ 46.219782] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.221756] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.223229] Modules linked in: [ 46.223821] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.225801] Tainted: [W]=WARN [ 46.226401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.227861] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.228769] 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 [ 46.231986] RSP: 0018:ffff88800b2a7bc0 EFLAGS: 00010286 [ 46.232978] RAX: 0000000000000000 RBX: ffffed1001654f78 RCX: ffffffff813a4050 [ 46.234289] RDX: ffff88801c4c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.235579] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001654f2f [ 46.236847] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.238148] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b2a7df8 [ 46.239432] FS: 00007f92a8036900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.240886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.241960] CR2: 00007f92a8528580 CR3: 000000000b8b2000 CR4: 0000000000350ef0 [ 46.243253] Call Trace: [ 46.243721] [ 46.244163] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.245068] ? __create_object+0x59/0x80 [ 46.245818] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.246769] __vmalloc_noprof+0x59/0x60 [ 46.247509] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.248385] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.249317] bpf_prog_alloc+0x39/0x200 [ 46.250069] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.250966] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.251873] do_seccomp+0x349/0x25e0 [ 46.252593] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.253494] ? __pfx_do_seccomp+0x10/0x10 [ 46.254302] ? find_held_lock+0x2b/0x80 [ 46.255050] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.255984] ? static_key_count+0x60/0x80 [ 46.256779] prctl_set_seccomp+0x4e/0x70 [ 46.257564] __do_sys_prctl+0xe6c/0x1d70 [ 46.258358] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.259212] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.260182] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.261168] ? irqentry_exit+0xf3/0x650 [ 46.261914] do_syscall_64+0xbf/0x430 [ 46.262660] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.263604] RIP: 0033:0x7f92a85285cd [ 46.264317] 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 [ 46.267492] RSP: 002b:00007ffd1e31ed60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.268852] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92a85285cd [ 46.270171] RDX: 00005630a59e4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.271453] RBP: 00007ffd1e31edc0 R08: 0000000000000000 R09: 00007ffd1e31e460 [ 46.272750] R10: 0000000000000000 R11: 0000000000000246 R12: 00005630c53af2b0 [ 46.274047] R13: 00007ffd1e31f1f0 R14: 00005630c53b1d20 R15: 00005630c53c38d0 [ 46.275362] [ 46.275794] irq event stamp: 1691 [ 46.276441] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 46.277975] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 46.279516] softirqs last enabled at (1584): [] handle_softirqs+0x50c/0x770 [ 46.281069] softirqs last disabled at (1579): [] __irq_exit_rcu+0xc4/0x100 [ 46.282586] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.995462] ------------[ cut here ]------------ [ 48.996263] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.997929] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 48.999160] Modules linked in: [ 48.999654] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.001288] Tainted: [W]=WARN [ 49.001747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.003016] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.003732] 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 [ 49.007629] RSP: 0018:ffff888018d37bc0 EFLAGS: 00010286 [ 49.008522] RAX: 0000000000000000 RBX: ffffed10031a6f78 RCX: ffffffff813a4050 [ 49.009593] RDX: ffff88800a940000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.010674] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031a6f2f [ 49.011727] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.012788] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d37df8 [ 49.013865] FS: 00007fab032bc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.015058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.015897] CR2: 00007fab038224a6 CR3: 0000000020465000 CR4: 0000000000350ef0 [ 49.016966] Call Trace: [ 49.017386] [ 49.017725] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.018482] ? __create_object+0x59/0x80 [ 49.019134] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.019898] __vmalloc_noprof+0x59/0x60 [ 49.020524] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.021247] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.021991] bpf_prog_alloc+0x39/0x200 [ 49.022609] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.023374] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.024124] do_seccomp+0x349/0x25e0 [ 49.024681] ? find_held_lock+0x2b/0x80 [ 49.025315] ? do_prlimit+0x310/0x610 [ 49.025903] ? __pfx_do_seccomp+0x10/0x10 [ 49.026555] ? do_raw_spin_unlock+0x53/0x220 [ 49.027255] ? _raw_spin_unlock+0x1e/0x40 [ 49.027863] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.028657] ? static_key_count+0x60/0x80 [ 49.029315] prctl_set_seccomp+0x4e/0x70 [ 49.029929] __do_sys_prctl+0xe6c/0x1d70 [ 49.030579] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.031291] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.032108] ? irqentry_exit+0xf3/0x650 [ 49.032701] do_syscall_64+0xbf/0x430 [ 49.033314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.034118] RIP: 0033:0x7fab037ae5cd [ 49.034668] 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 [ 49.037303] RSP: 002b:00007ffd0ee53130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.038446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab037ae5cd [ 49.039516] RDX: 00005607e375de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.040574] RBP: 00007ffd0ee53190 R08: 0000000000000000 R09: 00007ffd0ee52830 [ 49.041631] R10: 0000000000000000 R11: 0000000000000246 R12: 000056081e7f1ad0 [ 49.042697] R13: 00007ffd0ee535c0 R14: 000056081e7f2bc0 R15: 000056081e803780 [ 49.043782] [ 49.044169] irq event stamp: 2403 [ 49.044679] hardirqs last enabled at (2411): [] __up_console_sem+0x78/0x80 [ 49.045979] hardirqs last disabled at (2420): [] __up_console_sem+0x5d/0x80 [ 49.047251] softirqs last enabled at (2062): [] handle_softirqs+0x50c/0x770 [ 49.048535] softirqs last disabled at (2057): [] __irq_exit_rcu+0xc4/0x100 [ 49.049790] ---[ end trace 0000000000000000 ]--- [ 49.734339] ------------[ cut here ]------------ [ 49.735285] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.737281] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.738758] Modules linked in: [ 49.739404] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.741412] Tainted: [W]=WARN [ 49.741980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.743497] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.744428] 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 [ 49.747623] RSP: 0018:ffff888015cafbc0 EFLAGS: 00010286 [ 49.748609] RAX: 0000000000000000 RBX: ffffed1002b95f78 RCX: ffffffff813a4050 [ 49.749924] RDX: ffff888017049bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.751188] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b95f2f [ 49.752485] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.753784] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cafdf8 [ 49.755100] FS: 00007f7ae25c1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.756547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.757630] CR2: 00007f7ae2ab3580 CR3: 000000000e43c000 CR4: 0000000000350ef0 [ 49.758951] Call Trace: [ 49.759455] [ 49.759861] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.760764] ? __create_object+0x59/0x80 [ 49.761546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.762524] __vmalloc_noprof+0x59/0x60 [ 49.763280] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.764152] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.765077] bpf_prog_alloc+0x39/0x200 [ 49.765763] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.766695] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.767592] do_seccomp+0x349/0x25e0 [ 49.768304] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.769198] ? __pfx_do_seccomp+0x10/0x10 [ 49.769941] ? find_held_lock+0x2b/0x80 [ 49.770687] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.771639] ? static_key_count+0x60/0x80 [ 49.772443] prctl_set_seccomp+0x4e/0x70 [ 49.773223] __do_sys_prctl+0xe6c/0x1d70 [ 49.773957] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.774819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.775774] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.776734] ? irqentry_exit+0xf3/0x650 [ 49.777497] do_syscall_64+0xbf/0x430 [ 49.778243] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.779192] RIP: 0033:0x7f7ae2ab35cd [ 49.779846] 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 [ 49.783018] RSP: 002b:00007ffed25c3510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.784365] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ae2ab35cd [ 49.785639] RDX: 000055e13f521e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.786917] RBP: 00007ffed25c3570 R08: 0000000000000000 R09: 00007ffed25c2c10 [ 49.788205] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e13fb3abf0 [ 49.789465] R13: 00007ffed25c39a0 R14: 000055e13fb44380 R15: 000055e13fb4f460 [ 49.790756] [ 49.791216] irq event stamp: 1729 [ 49.791814] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 49.793319] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 49.794838] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 49.796359] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 49.797853] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25964' (ECDSA) to the list of known hosts. 2025/11/18 15:00:21 fuzzer started 2025/11/18 15:00:21 dialing manager at localhost:34383 2025/11/18 15:00:21 checking machine... 2025/11/18 15:00:21 checking revisions... [ 50.678109] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:00:21 testing simple program... [ 50.758837] cgroup: Unknown subsys name 'net' [ 50.811365] cgroup: Unknown subsys name 'cpuset' [ 50.828260] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:00:20 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff888009611bc0 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888009612618 RSP=ffff888009627628 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 RFL=00000007 [-----PC] 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 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd0ee4d000 CR3=000000001ffff000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000021787 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fab03871650 CR3=000000000ea0c000 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=2030323a30303a353120383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a30303a3531203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000