Invalid ELF header type: 3 != 1 ===================================== WARNING: bad unlock balance detected! 6.19.0-rc5-next-20260116 #1 Not tainted ------------------------------------- syz-executor.3/10184 is trying to release lock (rcu_read_lock) at: [] __wait_on_freeing_inode+0x105/0x350 but there are no more locks to release! other info that might help us debug this: 4 locks held by syz-executor.3/10184: #0: ffff88800f8283f8 (sb_writers#3){.+.+}-{0:0}, at: filename_create+0xf7/0x400 #1: ffff88804949a078 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x1b1/0x400 #2: ffff88800f82c950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xe32/0x12d0 #3: ffffffff85c16898 (inode_hash_lock){+.+.}-{3:3}, at: insert_inode_locked+0xf9/0x890 stack backtrace: CPU: 1 UID: 0 PID: 10184 Comm: syz-executor.3 Not tainted 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 print_unlock_imbalance_bug+0x118/0x130 lock_release+0x1ee/0x270 __wait_on_freeing_inode+0x10a/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_symlink+0x623/0xb40 vfs_symlink+0x44b/0x840 filename_symlinkat+0x158/0x440 __x64_sys_symlink+0x82/0x110 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd952313427 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff4449e318 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd952313427 RDX: 00007fff4449e3f3 RSI: 00007fd95236e02f RDI: 00007fff4449e3e0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fff4449e1b0 R10: 00007fff4449e067 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff4449e3e0 ------------[ cut here ]------------ WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x25f/0x5c0, CPU#1: syz-executor.3/10184 Modules linked in: CPU: 1 UID: 0 PID: 10184 Comm: syz-executor.3 Not tainted 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__rcu_read_unlock+0x25f/0x5c0 Code: f2 02 00 00 c7 43 58 01 00 00 00 bf 09 00 00 00 e8 d6 b7 de ff 4d 85 f6 0f 84 73 fe ff ff e8 38 8a 20 00 fb e9 68 fe ff ff 90 <0f> 0b 90 5b 5d 41 5c 41 5d 41 5e e9 81 4d 74 03 e8 2c 5d 56 00 e9 RSP: 0018:ffff88804b6af9a0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88804d610000 RCX: ffffffff815660f7 RDX: 0000000000000000 RSI: ffffffff81566100 RDI: ffff88804d6103fc RBP: ffff88804d610000 R08: 0000000000000000 R09: fffffbfff0ba7040 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804d610000 R13: 0000000000000001 R14: ffffffff85c0e0f0 R15: ffff888049598ca0 FS: 000055556e3b6400(0000) GS:ffff8880e5442000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555812fac58 CR3: 000000004dc30000 CR4: 0000000000350ef0 Call Trace: __wait_on_freeing_inode+0x10f/0x350 insert_inode_locked+0x25f/0x890 __ext4_new_inode+0x223d/0x4cd0 ext4_symlink+0x623/0xb40 vfs_symlink+0x44b/0x840 filename_symlinkat+0x158/0x440 __x64_sys_symlink+0x82/0x110 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd952313427 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff4449e318 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd952313427 RDX: 00007fff4449e3f3 RSI: 00007fd95236e02f RDI: 00007fff4449e3e0 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fff4449e1b0 R10: 00007fff4449e067 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff4449e3e0 irq event stamp: 467 hardirqs last enabled at (467): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (466): [] _raw_spin_lock_irqsave+0x53/0x60 softirqs last enabled at (462): [] kernel_fpu_end+0x59/0x70 softirqs last disabled at (460): [] kernel_fpu_begin_mask+0x1bb/0x300 ---[ end trace 0000000000000000 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 10199 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4d7/0x5e0 should_failslab+0xc2/0x120 __kmalloc_node_noprof+0xd9/0x840 __vmalloc_node_range_noprof+0x468/0x15e0 __vmalloc_node_noprof+0xac/0xf0 kernel_read_file+0x685/0x7b0 init_module_from_file+0x136/0x180 idempotent_init_module+0x330/0x610 __x64_sys_finit_module+0xbd/0x120 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f27f90d1b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f27f6647188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 00007f27f91e4f60 RCX: 00007f27f90d1b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f27f66471d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe78ef35af R14: 00007f27f6647300 R15: 0000000000022000 warn_alloc: 1 callbacks suppressed syz-executor.1: vmalloc error: size 1945600, failed to allocated page array size 3800, mode:0xcc2(GFP_KERNEL|__GFP_HIGHMEM), nodemask=(null),cpuset=/,mems_allowed=0 CPU: 0 UID: 0 PID: 10199 Comm: syz-executor.1 Tainted: G W 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 warn_alloc+0x211/0x370 __vmalloc_node_range_noprof+0x1250/0x15e0 __vmalloc_node_noprof+0xac/0xf0 kernel_read_file+0x685/0x7b0 init_module_from_file+0x136/0x180 idempotent_init_module+0x330/0x610 __x64_sys_finit_module+0xbd/0x120 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f27f90d1b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f27f6647188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 00007f27f91e4f60 RCX: 00007f27f90d1b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f27f66471d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe78ef35af R14: 00007f27f6647300 R15: 0000000000022000 Mem-Info: active_anon:55 inactive_anon:44909 isolated_anon:0 active_file:8246 inactive_file:78823 isolated_file:0 unevictable:0 dirty:223 writeback:0 slab_reclaimable:5509 slab_unreclaimable:59538 mapped:81041 shmem:101 pagetables:6424 sec_pagetables:0 bounce:0 kernel_misc_reclaimable:0 free:127939 free_pcp:1870 free_cma:0 Node 0 active_anon:220kB inactive_anon:179720kB active_file:32984kB inactive_file:315292kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:324248kB dirty:976kB writeback:0kB shmem:404kB kernel_stack:9856kB pagetables:25696kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB Node 0 DMA free:15360kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 UID: 0 PID: 10327 Comm: syz-executor.3 Tainted: G W 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4d7/0x5e0 _copy_from_user+0x30/0xd0 do_semtimedop+0x1a4/0x2d0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd952313b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd94f889188 EFLAGS: 00000246 ORIG_RAX: 0000000000000041 RAX: ffffffffffffffda RBX: 00007fd952426f60 RCX: 00007fd952313b19 RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007fd94f8891d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4449e0cf R14: 00007fd94f889300 R15: 0000000000022000 lowmem_reserve[]: 0 1597 1597 1597 Node 0 DMA32 free:501860kB boost:0kB min:5068kB low:6688kB high:8308kB reserved_highatomic:0KB free_highatomic:0KB active_anon:220kB inactive_anon:179720kB active_file:32984kB inactive_file:315292kB unevictable:0kB writepending:1060kB zspages:0kB present:2080640kB managed:1635448kB mlocked:0kB bounce:0kB free_pcp:11088kB local_pcp:4232kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB Node 0 DMA32: 584*4kB (UME) 1471*8kB (UM) 505*16kB (UM) 13*32kB (UME) 33*64kB (UM) 88*128kB (UM) 4*256kB (UM) 3*512kB (UME) 1*1024kB (U) 2*2048kB (UM) 113*4096kB (UM) = 506504kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 49332 total pagecache pages 0 pages in swap cache Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 111456 pages reserved Memory cgroup min protection 0kB -- low protection 49604kB FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Invalid ELF header type: 3 != 1 CPU: 0 UID: 0 PID: 10434 Comm: syz-executor.3 Tainted: G W 6.19.0-rc5-next-20260116 #1 PREEMPT(lazy) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4d7/0x5e0 should_failslab+0xc2/0x120 __kmalloc_cache_noprof+0x80/0x730 __do_semtimedop+0x1467/0x4530 do_semtimedop+0x1d7/0x2d0 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd952313b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd94f889188 EFLAGS: 00000246 ORIG_RAX: 0000000000000041 RAX: ffffffffffffffda RBX: 00007fd952426f60 RCX: 00007fd952313b19 RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007fd94f8891d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4449e0cf R14: 00007fd94f889300 R15: 0000000000022000