[ 54.555792] ------------[ cut here ]------------ [ 54.556718] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.558871] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 54.560377] Modules linked in: [ 54.561255] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 54.563378] Tainted: [W]=WARN [ 54.563994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.565491] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.566432] 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 [ 54.569656] RSP: 0018:ffff888015ff7bc0 EFLAGS: 00010286 [ 54.570660] RAX: 0000000000000000 RBX: ffffed1002bfef78 RCX: ffffffff813a4050 [ 54.571981] RDX: ffff888017c75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.573287] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bfef2f [ 54.574609] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.575951] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ff7df8 [ 54.577293] FS: 00007f48034a4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.578792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.579891] CR2: 00007f4803996580 CR3: 000000000dc37000 CR4: 0000000000350ef0 [ 54.581203] Call Trace: [ 54.581724] [ 54.582146] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.583089] ? __create_object+0x59/0x80 [ 54.583896] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.584890] __vmalloc_noprof+0x59/0x60 [ 54.585674] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.586516] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.587495] bpf_prog_alloc+0x39/0x200 [ 54.588257] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.589219] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.590149] do_seccomp+0x349/0x25e0 [ 54.590915] ? __pfx_css_rstat_updated+0x10/0x10 [ 54.591839] ? __pfx_do_seccomp+0x10/0x10 [ 54.592661] ? find_held_lock+0x2b/0x80 [ 54.593386] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.594372] ? static_key_count+0x60/0x80 [ 54.595231] prctl_set_seccomp+0x4e/0x70 [ 54.596052] __do_sys_prctl+0xe6c/0x1d70 [ 54.596859] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.597742] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.598749] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.599754] ? irqentry_exit+0xf3/0x650 [ 54.600487] do_syscall_64+0xbf/0x430 [ 54.601247] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.602232] RIP: 0033:0x7f48039965cd [ 54.602974] 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 [ 54.606215] RSP: 002b:00007ffff91881a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.607612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48039965cd [ 54.608919] RDX: 00005588bc45fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.610235] RBP: 00007ffff9188200 R08: 0000000000000000 R09: 00007ffff91878a0 [ 54.611573] R10: 0000000000000000 R11: 0000000000000246 R12: 00005588d096b240 [ 54.612883] R13: 00007ffff9188630 R14: 00005588d0974380 R15: 00005588d097f540 [ 54.614208] [ 54.614685] irq event stamp: 1833 [ 54.615308] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 54.616877] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 54.618429] softirqs last enabled at (1810): [] handle_softirqs+0x50c/0x770 [ 54.620009] softirqs last disabled at (1805): [] __irq_exit_rcu+0xc4/0x100 [ 54.621574] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 57.515675] ------------[ cut here ]------------ [ 57.516104] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.517127] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 57.517821] Modules linked in: [ 57.518101] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 57.519038] Tainted: [W]=WARN [ 57.519296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.519984] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.520391] 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 [ 57.521875] RSP: 0018:ffff88800fc8fbc0 EFLAGS: 00010286 [ 57.522314] RAX: 0000000000000000 RBX: ffffed1001f91f78 RCX: ffffffff813a4050 [ 57.522921] RDX: ffff888016083780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.523503] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f91f2f [ 57.524097] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.524691] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fc8fdf8 [ 57.525273] FS: 00007fa7afb46900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 57.525941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.526418] CR2: 00007fa7b0038580 CR3: 000000000eb27000 CR4: 0000000000350ef0 [ 57.527022] Call Trace: [ 57.527236] [ 57.527429] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.527845] ? __create_object+0x59/0x80 [ 57.528187] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.528638] __vmalloc_noprof+0x59/0x60 [ 57.528972] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.529357] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.529789] bpf_prog_alloc+0x39/0x200 [ 57.530112] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.530521] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.530954] do_seccomp+0x349/0x25e0 [ 57.531264] ? __pfx_css_rstat_updated+0x10/0x10 [ 57.531680] ? __pfx_do_seccomp+0x10/0x10 [ 57.532026] ? find_held_lock+0x2b/0x80 [ 57.532357] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.532810] ? static_key_count+0x60/0x80 [ 57.533163] prctl_set_seccomp+0x4e/0x70 [ 57.533500] __do_sys_prctl+0xe6c/0x1d70 [ 57.533861] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.534242] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.534694] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.535128] ? irqentry_exit+0xf3/0x650 [ 57.535464] do_syscall_64+0xbf/0x430 [ 57.535808] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.536229] RIP: 0033:0x7fa7b00385cd [ 57.536536] 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 [ 57.538026] RSP: 002b:00007ffcd5541510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.538665] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7b00385cd [ 57.539240] RDX: 000055a2710cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.539836] RBP: 00007ffcd5541570 R08: 0000000000000000 R09: 00007ffcd5540c10 [ 57.540410] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a2a7a2cad0 [ 57.541001] R13: 00007ffcd55419a0 R14: 000055a2a7a2dbc0 R15: 000055a2a7a3e780 [ 57.541597] [ 57.541790] irq event stamp: 1621 [ 57.542072] hardirqs last enabled at (1629): [] __up_console_sem+0x78/0x80 [ 57.542778] hardirqs last disabled at (1638): [] __up_console_sem+0x5d/0x80 [ 57.543457] softirqs last enabled at (1150): [] handle_softirqs+0x50c/0x770 [ 57.544169] softirqs last disabled at (1145): [] __irq_exit_rcu+0xc4/0x100 [ 57.544867] ---[ end trace 0000000000000000 ]--- [ 58.350327] ------------[ cut here ]------------ [ 58.351242] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 58.353255] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/253 [ 58.354703] Modules linked in: [ 58.355297] CPU: 0 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 58.357481] Tainted: [W]=WARN [ 58.358087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.359581] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 58.360441] 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 [ 58.363555] RSP: 0018:ffff88801730fbc0 EFLAGS: 00010286 [ 58.364497] RAX: 0000000000000000 RBX: ffffed1002e61f78 RCX: ffffffff813a4050 [ 58.365752] RDX: ffff888017ab5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 58.367021] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e61f2f [ 58.368294] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 58.369584] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801730fdf8 [ 58.370855] FS: 00007fc017973900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 58.372276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.373314] CR2: 00007fc017e65580 CR3: 000000000bf6d000 CR4: 0000000000350ef0 [ 58.374597] Call Trace: [ 58.375067] [ 58.375469] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 58.376352] ? __create_object+0x59/0x80 [ 58.377126] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.378071] __vmalloc_noprof+0x59/0x60 [ 58.378822] bpf_prog_alloc_no_stats+0x55/0x470 [ 58.379683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.380603] bpf_prog_alloc+0x39/0x200 [ 58.381286] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.382223] bpf_prog_create_from_user+0xb2/0x2f0 [ 58.383129] do_seccomp+0x349/0x25e0 [ 58.383846] ? __pfx_css_rstat_updated+0x10/0x10 [ 58.384747] ? __pfx_do_seccomp+0x10/0x10 [ 58.385474] ? find_held_lock+0x2b/0x80 [ 58.386226] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.387170] ? static_key_count+0x60/0x80 [ 58.387962] prctl_set_seccomp+0x4e/0x70 [ 58.388734] __do_sys_prctl+0xe6c/0x1d70 [ 58.389466] ? __pfx___do_sys_prctl+0x10/0x10 [ 58.390304] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.391263] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 58.392221] ? irqentry_exit+0xf3/0x650 [ 58.392988] do_syscall_64+0xbf/0x430 [ 58.393712] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.394668] RIP: 0033:0x7fc017e655cd [ 58.395321] 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 [ 58.398415] RSP: 002b:00007ffde2bac330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.399769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc017e655cd [ 58.401018] RDX: 000056253d5bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 58.402272] RBP: 00007ffde2bac390 R08: 0000000000000000 R09: 00007ffde2baba30 [ 58.403543] R10: 0000000000000000 R11: 0000000000000246 R12: 000056256215bbf0 [ 58.404824] R13: 00007ffde2bac7c0 R14: 0000562562165380 R15: 0000562562170460 [ 58.406108] [ 58.406529] irq event stamp: 1751 [ 58.407176] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 58.408676] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 58.410167] softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770 [ 58.411692] softirqs last disabled at (1493): [] __irq_exit_rcu+0xc4/0x100 [ 58.413174] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55650' (ECDSA) to the list of known hosts. 2025/11/17 22:40:13 fuzzer started 2025/11/17 22:40:13 dialing manager at localhost:37895 2025/11/17 22:40:13 checking machine... 2025/11/17 22:40:13 checking revisions... [ 59.315001] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:40:13 testing simple program... [ 59.395505] cgroup: Unknown subsys name 'net' [ 59.444230] cgroup: Unknown subsys name 'cpuset' [ 59.458490] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:40:12 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800b9e5e70 RCX=ffffffff81e5d883 RDX=ffff888018f55340 RSI=ffff88800b9e5e70 RDI=0000000000000fff RBP=ffff88800918ee80 RSP=ffff8880170d78b0 R8 =0000000000000000 R9 =ffffed1001231dd0 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=0000000000000000 R14=ffff8880170d7a30 R15=ffff88801a7c1f30 RIP=ffffffff817517c4 RFL=00000293 [--S-A-C] 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 00007f9b5f0fc700 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=00007fa7b00fd618 CR3=000000000bd2b000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002abe3 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 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc2adeb818 CR3=000000000e80d000 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=88b3705872d4a5a3d74d17bf8f7ea1eb XMM02=ec2efd57dc4c00df0000000000306910 XMM03=5ef7c513ad8b40f900000000003069e0 XMM04=2166d0c8bedf786b00000000000ae988 XMM05=8b54056b833fa9dc0000000000322fd8 XMM06=405749d8372a36f10000000000322978 XMM07=e042d86d42eb936e0000000000311720 XMM08=5ef7c513ad8b40f900000000003069e0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000